SEC Info - Griffon Corp - ‘10-K’ for 9/30/18

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Griffon Corp – ‘10-K’ for 9/30/18 – ‘EX-101.LAB’

On: Friday, 11/16/18, at 8:10pm ET · As of: 11/19/18 · For: 9/30/18 · Accession #: 50725-18-75 · File #: 1-06620

  As Of               Filer                 Filing    For·On·As Docs:Size

11/19/18  Griffon Corp                      10-K        9/30/18  123:22M

Annual Report — Form 10-K — Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.61M 
 2: EX-10.34    Material Contract                                   HTML     60K 
 3: EX-21       Subsidiaries List                                   HTML     41K 
 4: EX-23       Consent of Experts or Counsel                       HTML     36K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     43K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     43K 
 7: EX-32       Certification -- §906 - SOA'02                      HTML     39K 
14: R1          Document And Entity Information                     HTML     69K 
15: R2          Consolidated Balance Sheets                         HTML    148K 
16: R3          Consolidated Balance Sheets (Parentheticals)        HTML     57K 
17: R4          Consolidated Statements of Operations and           HTML    153K 
                Comprehensive Income (Loss)                                      
18: R5          Consolidated Statements of Cash Flows               HTML    155K 
19: R6          Consolidated Statements of Shareholders' Equity     HTML    128K 
20: R7          Description of Business and Summary of Significant  HTML    149K 
                Accounting Policies                                              
21: R8          Acquisitions                                        HTML    100K 
22: R9          Inventories                                         HTML     45K 
23: R10         Property, Plant and Equipment                       HTML     48K 
24: R11         Goodwill and Other Intangibles                      HTML     85K 
25: R12         Discontinued Operations                             HTML    109K 
26: R13         Accrued Liabilities                                 HTML     53K 
27: R14         Warranty Liability                                  HTML     49K 
28: R15         Notes Payable, Capitalized Leases and Long-Term     HTML    310K 
                Debt                                                             
29: R16         Employee Benefit Plans                              HTML    265K 
30: R17         Income Taxes                                        HTML    171K 
31: R18         Stockholders' Equity and Equity Compensation        HTML     79K 
32: R19         Commitments and Contingent Liabilities              HTML     54K 
33: R20         Earnings Per Share                                  HTML     49K 
34: R21         Related Parties                                     HTML     41K 
35: R22         Quarterly Financial Information (Unaudited)         HTML     87K 
36: R23         Reportable Segments                                 HTML    202K 
37: R24         Other Income (Expense)                              HTML     39K 
38: R25         Other Comprehensive Income (Loss)                   HTML    100K 
39: R26         Consolidating Guarantor and Non-Guarantor           HTML    763K 
                Financial Information                                            
40: R27         Subsequent Events                                   HTML     38K 
41: R28         Schedule Ii Valuation and Qualifying Accounts       HTML    145K 
42: R29         Description of Business and Summary of Significant  HTML    187K 
                Accounting Policies (Policies)                                   
43: R30         Acquisitions (Tables)                               HTML     89K 
44: R31         Inventories (Tables)                                HTML     46K 
45: R32         Property, Plant and Equipment (Tables)              HTML     48K 
46: R33         Goodwill and Other Intangibles (Tables)             HTML     84K 
47: R34         Discontinued Operations (Tables)                    HTML    144K 
48: R35         Accrued Liabilities (Tables)                        HTML     52K 
49: R36         Warranty Liability (Tables)                         HTML     47K 
50: R37         Notes Payable, Capitalized Leases and Long-Term     HTML    169K 
                Debt (Tables)                                                    
51: R38         Employee Benefit Plans (Tables)                     HTML    257K 
52: R39         Income Taxes (Tables)                               HTML    162K 
53: R40         Stockholders' Equity and Equity Compensation        HTML     59K 
                (Tables)                                                         
54: R41         Earnings Per Share Earnings Per Share (Tables)      HTML     49K 
55: R42         Quarterly Financial Information (Unaudited)         HTML     83K 
                (Tables)                                                         
56: R43         Reportable Segments (Tables)                        HTML    200K 
57: R44         Other Comprehensive Income (Loss) (Tables)          HTML    103K 
58: R45         Consolidating Guarantor and Non-Guarantor           HTML    761K 
                Financial Information (Tables)                                   
59: R46         Description of Business and Summary of Significant  HTML    241K 
                Accounting Policies (Details)                                    
60: R47         Acquisitions (Details)                              HTML    197K 
61: R48         Acquisitions (Details) - Acquisition of             HTML     75K 
                CornellCookson, Schedule of Assets Acquired and                  
                Liabilities Assumed (Details)                                    
62: R49         Acquisitions (Details) - Schedule of Intangible     HTML     51K 
                Assets Acquired in Cornell Cookson Acquisition                   
                (Details)                                                        
63: R50         Acquisitions (Details) - Pro Forma                  HTML     40K 
64: R51         Acquisitions (Details) - Summary of Fair Values of  HTML     73K 
                Assets Acquired                                                  
65: R52         Acquisitions (Details) - Summary of Goodwill and    HTML     51K 
                Intangible Asset Classifications                                 
66: R53         INVENTORIES (Details) - Summary of Inventories      HTML     45K 
                stated at lower cost                                             
67: R54         PROPERTY, PLANT AND EQUIPMENT (Details) - Summary   HTML     52K 
                of property plant and equipment                                  
68: R55         GOODWILL AND OTHER INTANGIBLES (Details) - Summary  HTML     49K 
                of changes in carrying value of goodwill                         
69: R56         GOODWILL AND OTHER INTANGIBLES (Details) - Summary  HTML     52K 
                of gross carrying value and accumulated                          
                amortization of intangible assets                                
70: R57         Goodwill and Other Intangibles (Details)            HTML     54K 
71: R58         Discontinued Operations (Details)                   HTML     57K 
72: R59         Discontinued Operations - Income Statement          HTML     73K 
                Information (Details)                                            
73: R60         DISCONTINUED OPERATIONS - Balance Sheets            HTML     95K 
                Information (Details)                                            
74: R61         DISCONTINUED OPERATIONS (Details) - Summary of      HTML     61K 
                discontinued operations                                          
75: R62         ACCRUED LIABILITIES (Details) - Schedule of         HTML     60K 
                accrued liabilities                                              
76: R63         Warranty Liability (Details)                        HTML     45K 
77: R64         Warranty Liability (Details) - Summary of changes   HTML     46K 
                in warrant liability included in Accrued                         
                liabilities                                                      
78: R65         NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM     HTML     48K 
                DEBT (Details) - Summary of net minimum payments                 
                on capitalized leases                                            
79: R66         Notes Payable, Capitalized Leases and Long-Term     HTML    654K 
                Debt (Details)                                                   
80: R67         Notes Payable, Capitalized Leases and Long-Term     HTML    175K 
                Debt (Details) - Summary of Long-Term Debt                       
81: R68         Notes Payable, Capitalized Leases and Long-Term     HTML    107K 
                Debt (Details) - Summary of Interest Expense                     
                Incurred                                                         
82: R69         Employee Benefit Plans (Details)                    HTML     91K 
83: R70         Employee Benefit Plans (Details) - Schedule of net  HTML     61K 
                periodic costs                                                   
84: R71         Employee Benefit Plans (Details) -                  HTML     45K 
                Weighted-average assumptions used in determining                 
                the net periodic benefit costs                                   
85: R72         Employee Benefit Plans (Details) - Plan assets and  HTML    121K 
                benefit obligation of the defined benefit plans                  
86: R73         Employee Benefit Plans (Details) - Schedule of      HTML     42K 
                weighted average assumptions used in determining                 
                benefit obligations                                              
87: R74         Employee Benefit Plans (Details) - Actual and       HTML     51K 
                weighted-average assets allocation for qualified                 
                benefit plans                                                    
88: R75         Employee Benefit Plans (Details) - Estimated        HTML     54K 
                future benefit payments to retirees                              
89: R76         Employee Benefit Plans (Details) - Pension and      HTML     77K 
                post-retirement plan assets by asset category                    
90: R77         Employee Benefit Plans (Details) - ESOP Shares      HTML     42K 
91: R78         INCOME TAXES (Details) - Components of Income       HTML     45K 
                before taxes and discontinued operations                         
92: R79         INCOME TAXES (Details) - Provision (benefit) for    HTML     54K 
                income taxes on income from continuing operations                
93: R80         Income Taxes (Details)                              HTML     71K 
94: R81         Income Taxes (Details) - Schedule of effective      HTML     80K 
                income tax rate reconciliation                                   
95: R82         Income Taxes (Details) - Schedule of deferred tax   HTML     95K 
                assets and liabilities                                           
96: R83         Income Taxes (Details) - Components of net          HTML     51K 
                deferred tax asset (liability), by balance sheet                 
                account                                                          
97: R84         Income Taxes (Details) - Schedule of unrecognized   HTML     51K 
                tax benefits                                                     
98: R85         Stockholders' Equity and Equity Compensation        HTML    294K 
                (Details)                                                        
99: R86         Stockholders' Equity and Equity Compensation        HTML     43K 
                (Details) - Summary of stock-based compensation                  
                expense (Details)                                                
100: R87         Stockholders' Equity and Equity Compensation        HTML     61K  
                (Details) - Summary of restricted stock activity                 
101: R88         Commitments and Contingent Liabilities (Details)    HTML     72K  
102: R89         EARNINGS PER SHARE EARNINGS PER SHARE (Details) -   HTML     52K  
                Basic and diluted EPS from continuing operations                 
103: R90         Related Parties (Details)                           HTML     61K  
104: R91         Quarterly Financial Information (Unaudited)         HTML     48K  
                (Details)                                                        
105: R92         Quarterly Financial Information (UNAUDITED)         HTML     61K  
                (Details) - Schedule of quarterly financial                      
                information                                                      
106: R93         REPORTABLE SEGMENTS (Details) - Schedule of         HTML    121K  
                Summary of Reconciliation of Segment Profit Before               
                Taxes and Operations                                             
107: R94         REPORTABLE SEGMENTS (Details) - Schedule of         HTML     54K  
                summary of segment assets                                        
108: R95         REPORTABLE SEGMENTS (Details) - Schedule of         HTML     68K  
                Segment Information by Geographic Region                         
109: R96         Reportable Segments (Details)                       HTML     49K  
110: R97         Other Income (Expense) (Details)                    HTML     42K  
111: R98         OTHER COMPREHENSIVE INCOME (LOSS) (Details) -       HTML     73K  
                Summary of Other Comprehensive Income                            
112: R99         OTHER COMPREHENSIVE INCOME (LOSS) (Details) -       HTML     46K  
                Accumulated Other Comprehensive Income                           
113: R100        Other Comprehensive Income (Loss) (Details) -       HTML     47K  
                Total Comprehensive Income (Loss)                                
114: R101        Other Comprehensive Income (LOSS) (Details) -       HTML     53K  
                Summary of Amounts Reclassified from Accumulated                 
                Other Comprehensive Income                                       
115: R102        Consolidating Guarantor and Non-Guarantor           HTML     46K  
                Financial Information (Details)                                  
116: R103        Consolidating Guarantor and Non-Guarantor           HTML    185K  
                Financial Information (Details) - Summary of                     
                consolidated balance sheets                                      
117: R104        Consolidating Guarantor and Non-Guarantor           HTML    185K  
                Financial Information (Details) - Summary of                     
                consolidated statement of operations and                         
                comprehensive income                                             
118: R105        Consolidating Guarantor and Non-Guarantor           HTML    166K  
                Financial Information (Details) - Summary of                     
                consolidated cash flows                                          
119: R106        Subsequent Events (Details)                         HTML     38K  
120: R107        SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS       HTML     62K  
                (Details) - Schedule of Valuation and Qualifying                 
                Accounts                                                         
122: XML         IDEA XML File -- Filing Summary                      XML    242K  
121: EXCEL       IDEA Workbook of Financial Reports                  XLSX    194K  
13: EX-101.INS  XBRL Instance -- gff-20180930                        XML   7.53M 
11: EX-101.CAL  XBRL Calculations -- gff-20180930_cal                XML    466K 
 9: EX-101.DEF  XBRL Definitions -- gff-20180930_def                 XML   1.47M 
12: EX-101.LAB  XBRL Labels -- gff-20180930_lab                      XML   3.23M 
 8: EX-101.PRE  XBRL Presentations -- gff-20180930_pre               XML   2.04M 
10: EX-101.SCH  XBRL Schema -- gff-20180930                          XSD    347K 
123: ZIP         XBRL Zipped Folder -- 0000050725-18-000075-xbrl      Zip    567K

‘EX-101.LAB’ — XBRL Labels — gff-20180930_lab

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<link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of financial instruments </link:label>

<link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value of Financial Instruments, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_5A170D63D3C4183F8D9518BD30E14F60" xlink:type="arc"/>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-U.S. currency translation </link:label>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transactions and Translations Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064" xlink:to="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_E2229067B7CE8C7BB3AC18BD30E17064" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue recognition </link:label>

<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_546C3805CABE699490F718BD30E19100" xlink:type="arc"/>

<link:label id="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641_terseLabel_en-US" xlink:label="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, allowance for doubtful accounts and concentrations of credit risk </link:label>

<link:label id="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641_label_en-US" xlink:label="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable Allowance For Doubtful Accounts And Concentrations Of Credit Risk [Policy Text Block] </link:label>

<link:label id="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641_documentation_en-US" xlink:label="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for accounts receivable, allowance for doubtful accounts and concentrations of credit risk. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock" xlink:label="loc_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:to="lab_gff_AccountsReceivableAllowanceForDoubtfulAccountsAndConcentrationsOfCreditRiskPolicyTextBlock_3BEA3EB5192BDE873D3518BD30E16641" xlink:type="arc"/>

<link:label id="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7_terseLabel_en-US" xlink:label="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract costs and recognized income not yet billed </link:label>

<link:label id="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7_label_en-US" xlink:label="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract Costs And Recognized Income Not Yet Billed [Policy Text Block] </link:label>

<link:label id="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7_documentation_en-US" xlink:label="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for contract costs and recognized income not yet billed. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock" xlink:label="loc_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:to="lab_gff_ContractCostsAndRecognizedIncomeNotYetBilledPolicyTextBlock_0182366C9B60E096E10718BD30E198E7" xlink:type="arc"/>

<link:label id="lab_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>

<link:label id="lab_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB" xlink:to="lab_us-gaap_InventoryPolicyTextBlock_7FA3C5D1FCED1DDC1DB918BD30E150EB" xlink:type="arc"/>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_48E5495CC457DB506F9318BD30E11B4E" xlink:type="arc"/>

<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and indefinite-lived intangibles </link:label>

<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsIndefiniteLivedPolicy_C62D9A403F0C8E37E59C18BD30E16637" xlink:type="arc"/>

<link:label id="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8_terseLabel_en-US" xlink:label="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Definite-lived long-lived assets </link:label>

<link:label id="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8_label_en-US" xlink:label="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Definite Lived Long Lived Assets [Policy Text Block] </link:label>

<link:label id="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8_documentation_en-US" xlink:label="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for definite lived long lived assets. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DefiniteLivedLongLivedAssetsPolicyTextBlock" xlink:label="loc_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:to="lab_gff_DefiniteLivedLongLivedAssetsPolicyTextBlock_62AD4ACC1A684F55B7FA18BD30E17AE8" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income taxes </link:label>

<link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_B047BE95B675ACA6C05618BD30E1889F" xlink:type="arc"/>

<link:label id="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50_terseLabel_en-US" xlink:label="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development costs, shipping and handling costs and advertising costs </link:label>

<link:label id="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50_label_en-US" xlink:label="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research Development Costs Shipping And Handling Costs And Advertising Costs [Policy Text Block] </link:label>

<link:label id="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50_documentation_en-US" xlink:label="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for research and development costs shipping and handling costs and advertising costs. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock" xlink:label="loc_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:to="lab_gff_ResearchDevelopmentCostsShippingAndHandlingCostsAndAdvertisingCostsPolicyTextBlock_E521B629F735ED7A733B18BD30E19A50" xlink:type="arc"/>

<link:label id="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87_terseLabel_en-US" xlink:label="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Risk, retention and insurance </link:label>

<link:label id="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87_label_en-US" xlink:label="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Risk Retention And Insurance [Policy Text Block] </link:label>

<link:label id="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87_documentation_en-US" xlink:label="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for risk retention and insurance. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_RiskRetentionAndInsurancePolicyTextBlock" xlink:label="loc_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:to="lab_gff_RiskRetentionAndInsurancePolicyTextBlock_439D1E98C9357604129418BD30E13A87" xlink:type="arc"/>

<link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension benefits </link:label>

<link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Plans, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:label="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6" xlink:to="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_2017AC93A83D93E7FD5D18BD30E1BFD6" xlink:type="arc"/>

<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recently issued effective accounting pronouncements </link:label>

<link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_80A66C8988A4B9C1D03718BD30E1B438" xlink:type="arc"/>

<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_580CE7ED90BB45A1102018BD3092396D_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_580CE7ED90BB45A1102018BD3092396D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_580CE7ED90BB45A1102018BD3092396D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_580CE7ED90BB45A1102018BD3092396D" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_580CE7ED90BB45A1102018BD3092396D" xlink:type="arc"/>

<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense </link:label>

<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets_DACE9393180648CD107A18BD3092ABC1" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated for 2018 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_92D09409E98AE8466C5518BD3092C4EC" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated for 2019 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7F2802983DE73B1E720518BD30925329" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated for 2020 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2227C3DBA98AB0DA884C18BD309295D2" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated for 2021 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4CA228295BD3AD3EDF7C18BD309265CB" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated for 2022 </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_13ACAC9D06AC60A0935518BD309234AC" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization expense estimated thereafter </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, after Year Five </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_9D4853BC894A5079205118BD3092A75B" xlink:type="arc"/>

<link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_19FF09465CD36C29730518BD2FF6A773_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_19FF09465CD36C29730518BD2FF6A773" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_19FF09465CD36C29730518BD2FF6A773" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_19FF09465CD36C29730518BD2FF6A773" xlink:to="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_19FF09465CD36C29730518BD2FF6A773" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Quarterly Financial Information </link:label>

<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D" xlink:to="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AD99AB3B6FD38F9E517718BD2FF6175D" xlink:type="arc"/>

<link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_A561150520AEBB605E5218BD32893CBC_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_A561150520AEBB605E5218BD32893CBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Benefits [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_A561150520AEBB605E5218BD32893CBC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_A561150520AEBB605E5218BD32893CBC" xlink:to="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_A561150520AEBB605E5218BD32893CBC" xlink:type="arc"/>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99_documentation_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsTable" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:to="lab_gff_EMPLOYEEBENEFITPLANSDetailsTable_E0D6536483787784586018BD32890F99" xlink:type="arc"/>

<link:label id="lab_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Axis] </link:label>

<link:label id="lab_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D" xlink:to="lab_us-gaap_RetirementPlanTypeAxis_A41BE6534BABEBD614EB18BD32898E6D" xlink:type="arc"/>

<link:label id="lab_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Domain] </link:label>

<link:label id="lab_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Type [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF" xlink:to="lab_us-gaap_RetirementPlanTypeDomain_B9FC34F423EEDADD4ABE18BD3289D6FF" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706_terseLabel_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Postretirement Benefits Plan [Member] </link:label>

<link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706_label_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Postretirement Benefits Plan [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706" xlink:to="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_6778986B7274C828D8E918BD3289D706" xlink:type="arc"/>

<link:label id="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental Employee Retirement Plan [Member] </link:label>

<link:label id="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E_label_en-US" xlink:label="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Employee Retirement Plan [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" xlink:label="loc_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E" xlink:to="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_7570970B64E35B0DF20718BD3289719E" xlink:type="arc"/>

<link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1_terseLabel_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension Plan [Member] </link:label>

<link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1_label_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension Plan [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1" xlink:to="lab_us-gaap_PensionPlansDefinedBenefitMember_116B2CF9C49582D08ADE18BD328954C1" xlink:type="arc"/>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1_documentation_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsLineItems" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:to="lab_gff_EMPLOYEEBENEFITPLANSDetailsLineItems_5FA229E7C2E6DB7FC44118BD3289CFB1" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan, employer discretionary contribution amount </link:label>

<link:label id="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employer Discretionary Contribution Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5" xlink:to="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5A741C6A3D2AC51BC72918BD3289A9D5" xlink:type="arc"/>

<link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4_terseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Postemployment benefits liability </link:label>

<link:label id="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Postemployment Benefits Liability </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4" xlink:to="lab_us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent_1FD63970D80400E68CBE18BD3289FAA4" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income (loss), pension and other postretirement benefit plans, net of tax </link:label>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7394B1F1EE5620C7CE9218BD328965F0" xlink:type="arc"/>

<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension and other postretirement benefit expense </link:label>

<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Cost (Reversal of Cost) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_D0150879316C950B253918BD32895A68" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company contributions </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Contributions by Employer </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031" xlink:to="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_8C033F640EA945BDA8CC18BD32891031" xlink:type="arc"/>

<link:label id="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5_terseLabel_en-US" xlink:label="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in discount rate </link:label>

<link:label id="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5_label_en-US" xlink:label="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change In Discount Rate </link:label>

<link:label id="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5_documentation_en-US" xlink:label="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of change in discount rate. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ChangeInDiscountRate" xlink:label="loc_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:to="lab_gff_ChangeInDiscountRate_D0453FE8EC072083173518BD3289E9C5" xlink:type="arc"/>

<link:label id="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718_terseLabel_en-US" xlink:label="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit for amortization of pension cost </link:label>

<link:label id="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718_label_en-US" xlink:label="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Benefit For Amortization Of Pension Cost </link:label>

<link:label id="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718_documentation_en-US" xlink:label="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of tax benefit for amortization of pension cost during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TaxBenefitForAmortizationOfPensionCost" xlink:label="loc_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:to="lab_gff_TaxBenefitForAmortizationOfPensionCost_B9DD27BAC06845D1D46C18BD32890718" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_EA3FD6F849575527C3CF18BD32896B72_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_EA3FD6F849575527C3CF18BD32896B72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, actuarial gain (loss) </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_EA3FD6F849575527C3CF18BD32896B72_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_EA3FD6F849575527C3CF18BD32896B72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_EA3FD6F849575527C3CF18BD32896B72" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service cost </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Service Cost </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B" xlink:to="lab_us-gaap_DefinedBenefitPlanServiceCost_D642AF47D575DA8708EE18BD3289B04B" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_9A772D20737EEAC6E5B618BD3289AFF7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_9A772D20737EEAC6E5B618BD3289AFF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, expected future benefit payments, next twelve months </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_9A772D20737EEAC6E5B618BD3289AFF7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_9A772D20737EEAC6E5B618BD3289AFF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_9A772D20737EEAC6E5B618BD3289AFF7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_01932D0BEA7E7A38968618BD3289FFDA" xlink:type="arc"/>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87_terseLabel_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjusted funding target attainment percent </link:label>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87_label_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjusted Funding Target Attainment Percent </link:label>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87_documentation_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Adjusted Funding Target Attainment Percent </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AdjustedFundingTargetAttainmentPercent" xlink:label="loc_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:to="lab_gff_AdjustedFundingTargetAttainmentPercent_FCA9BD56963010B46AA218BD3289CC87" xlink:type="arc"/>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612_terseLabel_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjusted funding target attainment percent, threshold </link:label>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612_label_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjusted Funding Target Attainment Percent, Threshold </link:label>

<link:label id="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612_documentation_en-US" xlink:label="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Adjusted Funding Target Attainment Percent, Threshold </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AdjustedFundingTargetAttainmentPercentThreshold" xlink:label="loc_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:to="lab_gff_AdjustedFundingTargetAttainmentPercentThreshold_3BE6E76ED3EAD9B78B9418BD32891612" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_7325F4EDEAEB9CD1E3F318BD328909D6_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_7325F4EDEAEB9CD1E3F318BD328909D6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, target plan asset allocations </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_7325F4EDEAEB9CD1E3F318BD328909D6_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_7325F4EDEAEB9CD1E3F318BD328909D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Target Allocation, Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_7325F4EDEAEB9CD1E3F318BD328909D6" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plans, estimated future employer contributions in next fiscal year </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_B831E36A5903F98DDEDB18BD3289032D" xlink:type="arc"/>

<link:label id="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F_terseLabel_en-US" xlink:label="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Completion period of service </link:label>

<link:label id="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F_label_en-US" xlink:label="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Completion Period Of Service </link:label>

<link:label id="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F_documentation_en-US" xlink:label="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Completion period of service. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_CompletionPeriodOfService" xlink:label="loc_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:to="lab_gff_CompletionPeriodOfService_7DCA320772965044F81018BD32896B3F" xlink:type="arc"/>

<link:label id="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F_terseLabel_en-US" xlink:label="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum compensation of proportion </link:label>

<link:label id="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F_label_en-US" xlink:label="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum Compensation Of Proportion </link:label>

<link:label id="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F_documentation_en-US" xlink:label="lab_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum compensation of proportion. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_MaximumCompensationOfProportion" xlink:label="loc_gff_MaximumCompensationOfProportion_DF06A7E13786EC584C2F18BD3289917F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_3A8747031A171F9C2B9F18BD3289D030_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_3A8747031A171F9C2B9F18BD3289D030" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee stock ownership plan (ESOP), compensation expense </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_3A8747031A171F9C2B9F18BD3289D030_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_3A8747031A171F9C2B9F18BD3289D030" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Compensation Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_3A8747031A171F9C2B9F18BD3289D030" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_33B695E8F185A693E21B18BD3289F7EE_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_33B695E8F185A693E21B18BD3289F7EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee stock ownership plan (ESOP), deferred shares, fair value </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_33B695E8F185A693E21B18BD3289F7EE_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_33B695E8F185A693E21B18BD3289F7EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue_33B695E8F185A693E21B18BD3289F7EE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_50A3E93EBB31E5C73A0118BD30245EB5_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_50A3E93EBB31E5C73A0118BD30245EB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_50A3E93EBB31E5C73A0118BD30245EB5" xlink:type="locator"/>

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<link:label id="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2_terseLabel_en-US" xlink:label="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INCOME TAXES (Details) [Table] </link:label>

<link:label id="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2_label_en-US" xlink:label="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> INCOME TAXES (Details) [Table] </link:label>

<link:label id="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2_documentation_en-US" xlink:label="lab_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_INCOMETAXESDetailsTable" xlink:label="loc_gff_INCOMETAXESDetailsTable_415FBC5753C012AC449C18BD30243FB2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B0ACA31E0A5AAC7098F918BD30248BE7_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B0ACA31E0A5AAC7098F918BD30248BE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement, Early Adoption [Axis] </link:label>

<link:label id="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B0ACA31E0A5AAC7098F918BD30248BE7_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B0ACA31E0A5AAC7098F918BD30248BE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement, Early Adoption [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionAxis" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_B0ACA31E0A5AAC7098F918BD30248BE7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_610E99D4E7D9F0C7A1EF18BD3024D3A3_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_610E99D4E7D9F0C7A1EF18BD3024D3A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Principles, Early Adoption [Domain] </link:label>

<link:label id="lab_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_610E99D4E7D9F0C7A1EF18BD3024D3A3_label_en-US" xlink:label="lab_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_610E99D4E7D9F0C7A1EF18BD3024D3A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Principles, Early Adoption [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_610E99D4E7D9F0C7A1EF18BD3024D3A3" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_669ACE52141A9ECC057218BD3024FC4C_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_669ACE52141A9ECC057218BD3024FC4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement, Early Adoption, Effect [Member] </link:label>

<link:label id="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_669ACE52141A9ECC057218BD3024FC4C_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_669ACE52141A9ECC057218BD3024FC4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncement, Early Adoption, Effect [Member] </link:label>

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<link:label id="lab_us-gaap_DomesticCountryMember_2F688D63C7BECC68135E18BD3024FEFF_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_2F688D63C7BECC68135E18BD3024FEFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority [Member] </link:label>

<link:label id="lab_us-gaap_DomesticCountryMember_2F688D63C7BECC68135E18BD3024FEFF_label_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_2F688D63C7BECC68135E18BD3024FEFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority [Member] </link:label>

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<link:label id="lab_gff_NonUsTaxPurposesMember_06BC1B240C2A0F9B00DB18BD30249F17_terseLabel_en-US" xlink:label="lab_gff_NonUsTaxPurposesMember_06BC1B240C2A0F9B00DB18BD30249F17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non U S Tax Purposes [Member] </link:label>

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<link:label id="lab_us-gaap_StateAndLocalJurisdictionMember_1A2F5BAF550BCF5B049918BD3024BB4C_terseLabel_en-US" xlink:label="lab_us-gaap_StateAndLocalJurisdictionMember_1A2F5BAF550BCF5B049918BD3024BB4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> State and Local Jurisdiction [Member] </link:label>

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<link:label id="lab_us-gaap_ForeignCountryMember_AD691798E4E0631C17EB18BD3024FB15_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCountryMember_AD691798E4E0631C17EB18BD3024FB15" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Tax Authority [Member] </link:label>

<link:label id="lab_us-gaap_ForeignCountryMember_AD691798E4E0631C17EB18BD3024FB15_label_en-US" xlink:label="lab_us-gaap_ForeignCountryMember_AD691798E4E0631C17EB18BD3024FB15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Tax Authority [Member] </link:label>

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<link:label id="lab_gff_INCOMETAXESDetailsLineItems_EDF86BA8E16FB7A1DD4418BD30243F36_terseLabel_en-US" xlink:label="lab_gff_INCOMETAXESDetailsLineItems_EDF86BA8E16FB7A1DD4418BD30243F36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INCOME TAXES (Details) [Line Items] </link:label>

<link:label id="lab_gff_INCOMETAXESDetailsLineItems_EDF86BA8E16FB7A1DD4418BD30243F36_label_en-US" xlink:label="lab_gff_INCOMETAXESDetailsLineItems_EDF86BA8E16FB7A1DD4418BD30243F36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> INCOME TAXES (Details) [Line Items] </link:label>

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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_9990BD60FF4A092CFC6618BD3024F64D_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_9990BD60FF4A092CFC6618BD3024F64D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Federal income tax provision (benefit) rate </link:label>

<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_9990BD60FF4A092CFC6618BD3024F64D_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_9990BD60FF4A092CFC6618BD3024F64D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent </link:label>

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<link:label id="lab_gff_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit_A71B3918B8428C225DA818BD3024B155_terseLabel_en-US" xlink:label="lab_gff_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit_A71B3918B8428C225DA818BD3024B155" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provisional income tax (expense) benefit </link:label>

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<link:label id="lab_gff_IncomeTaxBenefitsReflectedReversalOfPreviouslyRecordedTaxLiabilities_26936C8305792F8AF54018BD30345D9E_terseLabel_en-US" xlink:label="lab_gff_IncomeTaxBenefitsReflectedReversalOfPreviouslyRecordedTaxLiabilities_26936C8305792F8AF54018BD30345D9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Benefits Reflected Reversal Of Previously Recorded Tax Liabilities </link:label>

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<link:label id="lab_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_A10E7F6C801E522ED7BB18BD30347CDE_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_A10E7F6C801E522ED7BB18BD30347CDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation allowance increase (decrease) </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_07F7CA64654B404B338118BD2FD8278E_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_07F7CA64654B404B338118BD2FD8278E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2018 </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_3C61B3F174ABE70CB97818BD2FD93442_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_3C61B3F174ABE70CB97818BD2FD93442" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2019 </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_A914A7B34FDA777AFD5C18BD2FD92534_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_A914A7B34FDA777AFD5C18BD2FD92534" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_8136E2F9A3B2519775E918BD2FD9F635_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_8136E2F9A3B2519775E918BD2FD9F635" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_8136E2F9A3B2519775E918BD2FD9F635_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_8136E2F9A3B2519775E918BD2FD9F635" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payment, Year Four </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_9F23251F65F95A436A9918BD2FD96BD2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_9F23251F65F95A436A9918BD2FD96BD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

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<link:label id="lab_gff_AmesTrueTemperIncMember_7ADDED7F3775A513CF7F18C18378889D_verboseLabel_en-US" xlink:label="lab_gff_AmesTrueTemperIncMember_7ADDED7F3775A513CF7F18C18378889D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> AMES [Member] </link:label>

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<link:label id="lab_gff_ClopayBuildingProductsMember_99C6DB535F0179E816F418C18378F31C_terseLabel_en-US" xlink:label="lab_gff_ClopayBuildingProductsMember_99C6DB535F0179E816F418C18378F31C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CBP [Member] </link:label>

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<link:label id="lab_us-gaap_CorporateMember_BC4B27B1765D9BB5D99818C18379AE82_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateMember_BC4B27B1765D9BB5D99818C18379AE82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corporate [Member] </link:label>

<link:label id="lab_us-gaap_CorporateMember_BC4B27B1765D9BB5D99818C18379AE82_label_en-US" xlink:label="lab_us-gaap_CorporateMember_BC4B27B1765D9BB5D99818C18379AE82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate Segment [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CorporateMember" xlink:label="loc_us-gaap_CorporateMember_BC4B27B1765D9BB5D99818C18379AE82" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_3F8CE5FEDDC767EADBBF18C18379C65C_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_3F8CE5FEDDC767EADBBF18C18379C65C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>

<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_3F8CE5FEDDC767EADBBF18C18379C65C_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_3F8CE5FEDDC767EADBBF18C18379C65C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3F8CE5FEDDC767EADBBF18C18379C65C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_531343F6318B20ED957E18C381CDC0C7_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_531343F6318B20ED957E18C381CDC0C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue </link:label>

<link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_531343F6318B20ED957E18C381CDC0C7_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_531343F6318B20ED957E18C381CDC0C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer, Excluding Assessed Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_531343F6318B20ED957E18C381CDC0C7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OperatingIncomeLoss_805C8B84D62F5F0933F018C1837AE8ED_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_805C8B84D62F5F0933F018C1837AE8ED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations </link:label>

<link:label id="lab_us-gaap_OperatingIncomeLoss_805C8B84D62F5F0933F018C1837AE8ED_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_805C8B84D62F5F0933F018C1837AE8ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_805C8B84D62F5F0933F018C1837AE8ED" xlink:type="locator"/>

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<link:label id="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F_terseLabel_en-US" xlink:label="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment operating profit from continuing operations </link:label>

<link:label id="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F_label_en-US" xlink:label="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit from Continuing Operations </link:label>

<link:label id="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F_documentation_en-US" xlink:label="lab_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Gross Profit from Continuing Operations </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_GrossProfitfromContinuingOperations" xlink:label="loc_gff_GrossProfitfromContinuingOperations_531FC292B93B5B12AFFD18C1837A554F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net interest expense </link:label>

<link:label id="lab_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Income (Expense), Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8" xlink:to="lab_us-gaap_InterestIncomeExpenseNet_FD6A3359B9B9E64B9BB018C1837A5FD8" xlink:type="arc"/>

<link:label id="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884_negatedLabel_en-US" xlink:label="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Unallocated amounts </link:label>

<link:label id="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884_label_en-US" xlink:label="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information Unallocated Expense </link:label>

<link:label id="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884_documentation_en-US" xlink:label="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of unallocated expense included in noninterest expense for the reportable segment during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SegmentReportingInformationUnallocatedExpense" xlink:label="loc_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:to="lab_gff_SegmentReportingInformationUnallocatedExpense_9FAD4D9CCA92493C24A118C1837AC884" xlink:type="arc"/>

<link:label id="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Acquisition costs </link:label>

<link:label id="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Acquisition Related Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063" xlink:to="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_539ABAF5479A945187E218C1837AB063" xlink:type="arc"/>

<link:label id="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A_negatedTerseLabel_en-US" xlink:label="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Special Dividend ESOP Charges </link:label>

<link:label id="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A_label_en-US" xlink:label="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Special Dividend ESOP Charges </link:label>

<link:label id="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A_documentation_en-US" xlink:label="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Special Dividend ESOP Charges </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SpecialDividendESOPCharges" xlink:label="loc_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:to="lab_gff_SpecialDividendESOPCharges_1D336EAC4D6ACCB0F0A818C1837B5D5A" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) before taxes from continuing operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_776136D236BF943165AB18C1837BF60A" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Loss on pension settlement </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A" xlink:to="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6CA5082359502569149A18C1837BD53A" xlink:type="arc"/>

<link:label id="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6_negatedTerseLabel_en-US" xlink:label="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Equity Offering Costs </link:label>

<link:label id="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6_label_en-US" xlink:label="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Offering Costs </link:label>

<link:label id="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6_documentation_en-US" xlink:label="lab_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Equity Offering Costs </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_EquityOfferingCosts" xlink:label="loc_gff_EquityOfferingCosts_C95817E5305AF850B8F818C1837B72B6" xlink:type="locator"/>

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<link:label id="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441_totalLabel_en-US" xlink:label="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Segment adjusted EBITDA </link:label>

<link:label id="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441_label_en-US" xlink:label="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment adjusted EBITDA </link:label>

<link:label id="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441_documentation_en-US" xlink:label="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of segment profit before depreciation, amortization, restructuring, fair value write-up of acquired inventory sold and acquisition costs. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts" xlink:label="loc_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:to="lab_gff_SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts_779A619EF3EA48F1788C18C1837B9441" xlink:type="arc"/>

<link:label id="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC_terseLabel_en-US" xlink:label="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total Segment adjusted EBITDA from continuing operations </link:label>

<link:label id="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC_label_en-US" xlink:label="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings (Loss) Before Income Tax, Depreciation And Amortization, Discontinued Operations </link:label>

<link:label id="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC_documentation_en-US" xlink:label="lab_gff_EarningsLossBeforeIncomeTaxDepreciationAndAmortizationDiscontinuedOperations_C0ED606E69E2409A6C1C18C1837B4FFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Earnings (Loss) Before Income Tax, Depreciation And Amortization, Discontinued Operations </link:label>

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<link:label id="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A_negatedLabel_en-US" xlink:label="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Segment depreciation and amortization </link:label>

<link:label id="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A_label_en-US" xlink:label="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment depreciation and amortization </link:label>

<link:label id="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A_documentation_en-US" xlink:label="lab_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of segment depreciation and amortization reported during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SegmentDepreciationAndAmortization" xlink:label="loc_gff_SegmentDepreciationAndAmortization_7655C0EDB41DA3C1582018C1837C164A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AcquisitionCosts_3964D7BA713D4D49032818C1837C96CC_negatedLabel_en-US" xlink:label="lab_us-gaap_AcquisitionCosts_3964D7BA713D4D49032818C1837C96CC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquisition costs </link:label>

<link:label id="lab_us-gaap_AcquisitionCosts_3964D7BA713D4D49032818C1837C96CC_label_en-US" xlink:label="lab_us-gaap_AcquisitionCosts_3964D7BA713D4D49032818C1837C96CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquisition Costs, Period Cost </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AcquisitionCosts" xlink:label="loc_us-gaap_AcquisitionCosts_3964D7BA713D4D49032818C1837C96CC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_47E91DB88645AE70823518C1837C1498_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_47E91DB88645AE70823518C1837C1498" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) before taxes from continuing operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_47E91DB88645AE70823518C1837C1498_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_47E91DB88645AE70823518C1837C1498" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_47E91DB88645AE70823518C1837C1498" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidated depreciation and amortization </link:label>

<link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_DE6F10BD8CC15614A35418C1837CC5BA" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB530E89034A8FDB6D4E18C1837C9F58_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB530E89034A8FDB6D4E18C1837C9F58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures </link:label>

<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB530E89034A8FDB6D4E18C1837C9F58_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB530E89034A8FDB6D4E18C1837C9F58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_EB530E89034A8FDB6D4E18C1837C9F58" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B433580F070D534971BF18BD316155EE_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B433580F070D534971BF18BD316155EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B433580F070D534971BF18BD316155EE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B433580F070D534971BF18BD316155EE" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_B433580F070D534971BF18BD316155EE" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss) </link:label>

<link:label id="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA_label_en-US" xlink:label="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss) [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA" xlink:to="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_86FC0DF4D74391B5923518BD31616CFA" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_79CEB40BB39DAA3AD0BE18BD31613B46_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_79CEB40BB39DAA3AD0BE18BD31613B46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income </link:label>

<link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_79CEB40BB39DAA3AD0BE18BD31613B46_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_79CEB40BB39DAA3AD0BE18BD31613B46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_79CEB40BB39DAA3AD0BE18BD31613B46" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_88BEA0AB9305351EBEFE18BD3161CDDE_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_88BEA0AB9305351EBEFE18BD3161CDDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reclassification out of Accumulated Other Comprehensive Income </link:label>

<link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_88BEA0AB9305351EBEFE18BD3161CDDE_label_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_88BEA0AB9305351EBEFE18BD3161CDDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_88BEA0AB9305351EBEFE18BD3161CDDE" xlink:type="locator"/>

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<link:label id="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Income Loss From Continuing Operations Before Taxes </link:label>

<link:label id="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C_label_en-US" xlink:label="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Income Loss From Continuing Operations Before Taxes [Table Text Block] </link:label>

<link:label id="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C_documentation_en-US" xlink:label="lab_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure for income loss from continuing operations before taxes. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock" xlink:label="loc_gff_ScheduleOfIncomeLossFromContinuingOperationsBeforeTaxesTableTextBlock_EF229E1F4C415163739718BD3092891C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_DD5B9D3A1A86F3154DF018BD3092238B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_DD5B9D3A1A86F3154DF018BD3092238B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Components of Income Tax Expense (Benefit) </link:label>

<link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_DD5B9D3A1A86F3154DF018BD3092238B_label_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_DD5B9D3A1A86F3154DF018BD3092238B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_DD5B9D3A1A86F3154DF018BD3092238B" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_B2579AD6D4DF97775E1A18BD3092909F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_B2579AD6D4DF97775E1A18BD3092909F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Effective Income Tax Rate Reconciliation </link:label>

<link:label id="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_B2579AD6D4DF97775E1A18BD3092909F_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_B2579AD6D4DF97775E1A18BD3092909F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_B2579AD6D4DF97775E1A18BD3092909F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_D92C2EA011A95378544B18BD3092831F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_D92C2EA011A95378544B18BD3092831F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Deferred Tax Assets and Liabilities </link:label>

<link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_D92C2EA011A95378544B18BD3092831F_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_D92C2EA011A95378544B18BD3092831F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Deferred Tax Assets and Liabilities [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_D92C2EA011A95378544B18BD3092831F" xlink:type="locator"/>

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<link:label id="lab_gff_ScheduleOfComponentsOfNetDeferredTaxAssetLiabilityByBalanceSheetAccountTableTextBlock_DB5401D192D80AAAC40F18BD3092D638_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfComponentsOfNetDeferredTaxAssetLiabilityByBalanceSheetAccountTableTextBlock_DB5401D192D80AAAC40F18BD3092D638" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Components of Net Deferred Tax Asset Liability By Balance Sheet Account </link:label>

<link:label id="lab_gff_ScheduleOfComponentsOfNetDeferredTaxAssetLiabilityByBalanceSheetAccountTableTextBlock_DB5401D192D80AAAC40F18BD3092D638_label_en-US" xlink:label="lab_gff_ScheduleOfComponentsOfNetDeferredTaxAssetLiabilityByBalanceSheetAccountTableTextBlock_DB5401D192D80AAAC40F18BD3092D638" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Components Of Net Deferred Tax Asset Liability By Balance Sheet Account [Table Text Block] </link:label>

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<link:label id="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_F857FAF9F72DD6A0026B18BD321BEACA_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_F857FAF9F72DD6A0026B18BD321BEACA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flow hedge [Member] </link:label>

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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_C8D7E7E12F2094011BF418BD321BED7D_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_C8D7E7E12F2094011BF418BD321BED7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_C8D7E7E12F2094011BF418BD321BED7D_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_C8D7E7E12F2094011BF418BD321BED7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_F29B393F7CF240614B4118BD32984B37_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_F29B393F7CF240614B4118BD32984B37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_F29B393F7CF240614B4118BD32984B37" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTax_D6C4B72DAAC9ED530A8418BD3298CA87_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTax_D6C4B72DAAC9ED530A8418BD3298CA87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Tax </link:label>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_455BFB98497DE9B6509418BD329836F3_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_455BFB98497DE9B6509418BD329836F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_455BFB98497DE9B6509418BD329836F3" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7F9605B694392C7DC6F218BD32986C3F_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7F9605B694392C7DC6F218BD32986C3F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash flow hedge, Net of Tax </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7F9605B694392C7DC6F218BD32986C3F_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7F9605B694392C7DC6F218BD32986C3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_7F9605B694392C7DC6F218BD32986C3F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_FBD6531624DCBCF0289818BD3298696B_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_FBD6531624DCBCF0289818BD3298696B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_FBD6531624DCBCF0289818BD3298696B" xlink:type="locator"/>

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<link:label id="lab_srt_ValuationAndQualifyingAccountsAbstract_7EC5B3DF7441952984CA18BD321B23F5_label_en-US" xlink:label="lab_srt_ValuationAndQualifyingAccountsAbstract_7EC5B3DF7441952984CA18BD321B23F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_srt_ValuationAndQualifyingAccountsAbstract_7EC5B3DF7441952984CA18BD321B23F5" xlink:type="locator"/>

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<link:label id="lab_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E18C95D909A12EA3C9918BD321B1235_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E18C95D909A12EA3C9918BD321B1235" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS </link:label>

<link:label id="lab_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E18C95D909A12EA3C9918BD321B1235_label_en-US" xlink:label="lab_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E18C95D909A12EA3C9918BD321B1235" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="loc_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E18C95D909A12EA3C9918BD321B1235" xlink:type="locator"/>

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<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsTable_EF334BEB05E2B9460FBF18BD31808449_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsTable_EF334BEB05E2B9460FBF18BD31808449" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of net periodic costs [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsTable_EF334BEB05E2B9460FBF18BD31808449_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsTable_EF334BEB05E2B9460FBF18BD31808449" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of net periodic costs [Table] </link:label>

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<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsLineItems_35FAA0AE64A260D0E20218BD31808B33_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofnetperiodiccostsLineItems_35FAA0AE64A260D0E20218BD31808B33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of net periodic costs [Line Items] </link:label>

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<link:label id="lab_gff_NetPeriodicBenefitsCostsAbstract_CAA067D06539AA505D3218BD31801B36_terseLabel_en-US" xlink:label="lab_gff_NetPeriodicBenefitsCostsAbstract_CAA067D06539AA505D3218BD31801B36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net periodic (benefits) costs: </link:label>

<link:label id="lab_gff_NetPeriodicBenefitsCostsAbstract_CAA067D06539AA505D3218BD31801B36_label_en-US" xlink:label="lab_gff_NetPeriodicBenefitsCostsAbstract_CAA067D06539AA505D3218BD31801B36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net periodic (benefits) costs: [Abstract] </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_66679A1C19CB0B25686D18BD3180F415_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_66679A1C19CB0B25686D18BD3180F415" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest cost </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_66679A1C19CB0B25686D18BD3180F415_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_66679A1C19CB0B25686D18BD3180F415" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Interest Cost </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_F3157EB9B60DB9D38F1F18BD31805307_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_F3157EB9B60DB9D38F1F18BD31805307" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Expected return on plan assets </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_F3157EB9B60DB9D38F1F18BD31805307_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_F3157EB9B60DB9D38F1F18BD31805307" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Return (Loss) on Plan Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_F3157EB9B60DB9D38F1F18BD31805307" xlink:type="locator"/>

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<link:label id="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D_terseLabel_en-US" xlink:label="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of: </link:label>

<link:label id="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D_label_en-US" xlink:label="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of: [Abstract] </link:label>

<link:label id="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D_documentation_en-US" xlink:label="lab_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_AmortizationOfAbstract" xlink:label="loc_gff_AmortizationOfAbstract_7BDE4F752FE333A2EDAD18BD3180DE1D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D83C0408AFD9D37D9C2918BD318094C7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D83C0408AFD9D37D9C2918BD318094C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prior service costs </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D83C0408AFD9D37D9C2918BD318094C7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D83C0408AFD9D37D9C2918BD318094C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Prior Service Cost (Credit) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_D83C0408AFD9D37D9C2918BD318094C7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Actuarial loss </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Amortization of Gain (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_781D4C39B3BE1AA15D4218BD3180C192" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8305ED164B5C12E8EAA018BD31800F73_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8305ED164B5C12E8EAA018BD31800F73" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total net periodic (benefits) costs </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8305ED164B5C12E8EAA018BD31800F73_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8305ED164B5C12E8EAA018BD31800F73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Net Periodic Benefit Cost (Credit) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_8305ED164B5C12E8EAA018BD31800F73" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProductWarrantiesDisclosuresAbstract_A442DBB542F335A6488B18BD3092055A_label_en-US" xlink:label="lab_us-gaap_ProductWarrantiesDisclosuresAbstract_A442DBB542F335A6488B18BD3092055A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Warranties Disclosures [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantiesDisclosuresAbstract" xlink:label="loc_us-gaap_ProductWarrantiesDisclosuresAbstract_A442DBB542F335A6488B18BD3092055A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Product Warranty Liability </link:label>

<link:label id="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24_label_en-US" xlink:label="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Product Warranty Liability [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24" xlink:to="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_EFDF592791F8AF901F5518BD30926D24" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherIncomeAndExpensesAbstract_B4C233B030506C9F348118BD2F19AC2F_label_en-US" xlink:label="lab_us-gaap_OtherIncomeAndExpensesAbstract_B4C233B030506C9F348118BD2F19AC2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Income and Expenses [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_B4C233B030506C9F348118BD2F19AC2F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_B4C233B030506C9F348118BD2F19AC2F" xlink:to="lab_us-gaap_OtherIncomeAndExpensesAbstract_B4C233B030506C9F348118BD2F19AC2F" xlink:type="arc"/>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Currency exchange gains (losses) </link:label>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transaction Gain (Loss), before Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_9B109F711C98D43B708618BD2F197874" xlink:type="arc"/>

<link:label id="lab_us-gaap_InvestmentIncomeNet_46F6DC13A8AA00D484EE18BD2F19DC16_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeNet_46F6DC13A8AA00D484EE18BD2F19DC16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment income (loss) </link:label>

<link:label id="lab_us-gaap_InvestmentIncomeNet_46F6DC13A8AA00D484EE18BD2F19DC16_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeNet_46F6DC13A8AA00D484EE18BD2F19DC16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentIncomeNet" xlink:label="loc_us-gaap_InvestmentIncomeNet_46F6DC13A8AA00D484EE18BD2F19DC16" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessCombinationsAbstract_5BC536EC38A69486936418BD322B0E63_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAbstract_5BC536EC38A69486936418BD322B0E63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combinations [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_5BC536EC38A69486936418BD322B0E63" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_5BC536EC38A69486936418BD322B0E63" xlink:to="lab_us-gaap_BusinessCombinationsAbstract_5BC536EC38A69486936418BD322B0E63" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0E877D803495C640DD7818BD322BA282_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0E877D803495C640DD7818BD322BA282" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table] </link:label>

<link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0E877D803495C640DD7818BD322BA282_label_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0E877D803495C640DD7818BD322BA282" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0E877D803495C640DD7818BD322BA282" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessAcquisitionAxis_BB5B375F59E0FA43168518BD322BE79C_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_BB5B375F59E0FA43168518BD322BE79C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Axis] </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionAxis_BB5B375F59E0FA43168518BD322BE79C_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_BB5B375F59E0FA43168518BD322BE79C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_BB5B375F59E0FA43168518BD322BE79C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_D2A42F5255B4CCA3261A18BD322BA56B_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_D2A42F5255B4CCA3261A18BD322BA56B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Acquiree [Domain] </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_D2A42F5255B4CCA3261A18BD322BA56B_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_D2A42F5255B4CCA3261A18BD322BA56B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Acquiree [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_D2A42F5255B4CCA3261A18BD322BA56B" xlink:type="locator"/>

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<link:label id="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7_terseLabel_en-US" xlink:label="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cornell Cookson [Member] </link:label>

<link:label id="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7_label_en-US" xlink:label="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cornell Cookson [Member] </link:label>

<link:label id="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7_documentation_en-US" xlink:label="lab_gff_CornellCooksonMember_B6BDE5A2AD1D94509CD018BD322B7AD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cornell Cookson [Member] </link:label>

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<link:label id="lab_us-gaap_BusinessAcquisitionLineItems_1290E4331DA10E4ABCF918BD322BBB4F_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_1290E4331DA10E4ABCF918BD322BBB4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Line Items] </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionLineItems_1290E4331DA10E4ABCF918BD322BBB4F_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_1290E4331DA10E4ABCF918BD322BBB4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Line Items] </link:label>

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<link:label id="lab_gff_SeniorNotesTwoThousandTwentyTwoMember_B576EE9E8483BCD215B718BD3142364E_terseLabel_en-US" xlink:label="lab_gff_SeniorNotesTwoThousandTwentyTwoMember_B576EE9E8483BCD215B718BD3142364E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior Notes Two Thousand Twenty Two [Member] </link:label>

<link:label id="lab_gff_SeniorNotesTwoThousandTwentyTwoMember_B576EE9E8483BCD215B718BD3142364E_label_en-US" xlink:label="lab_gff_SeniorNotesTwoThousandTwentyTwoMember_B576EE9E8483BCD215B718BD3142364E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes Two Thousand Twenty Two [Member] </link:label>

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<link:label id="lab_us-gaap_SubsequentEventMember_FC42CB8407569E940F7D18BD3142A3F0_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_FC42CB8407569E940F7D18BD3142A3F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Member] </link:label>

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<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_0DC044E7ABD545FCE38918BD31427932_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_0DC044E7ABD545FCE38918BD31427932" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label>

<link:label id="lab_us-gaap_DisposalGroupClassificationAxis_0DC044E7ABD545FCE38918BD31427932_label_en-US" xlink:label="lab_us-gaap_DisposalGroupClassificationAxis_0DC044E7ABD545FCE38918BD31427932" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group Classification [Axis] </link:label>

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<link:label id="lab_us-gaap_DiscontinuedOperationsHeldforsaleMember_DEDCD8BDDF5777ABEB4518BD3142DCF7_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsHeldforsaleMember_DEDCD8BDDF5777ABEB4518BD3142DCF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations, Held-for-sale [Member] </link:label>

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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8EF95B194DEEF07AD16518BD31420D00_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8EF95B194DEEF07AD16518BD31420D00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group Name [Axis] </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8EF95B194DEEF07AD16518BD31420D00" xlink:type="locator"/>

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<link:label id="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8E51F93DD87CAD7B976718BD31429F74_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8E51F93DD87CAD7B976718BD31429F74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Related Party [Axis] </link:label>

<link:label id="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8E51F93DD87CAD7B976718BD31429F74_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8E51F93DD87CAD7B976718BD31429F74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party [Axis] </link:label>

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<link:label id="lab_gff_GSDirectMember_0A0A54482A8884C4D44A18BD3142A2D8_terseLabel_en-US" xlink:label="lab_gff_GSDirectMember_0A0A54482A8884C4D44A18BD3142A2D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> GS Direct [Member] </link:label>

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<link:label id="lab_gff_RELATEDPARTIESDetailsLineItems_61BC1503CDA95D88238218BD31423F80_terseLabel_en-US" xlink:label="lab_gff_RELATEDPARTIESDetailsLineItems_61BC1503CDA95D88238218BD31423F80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RELATED PARTIES (Details) [Line Items] </link:label>

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<link:label id="lab_us-gaap_ProceedsFromIssuanceOfDebt_C2701D6425E853D774F018BD31426972_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfDebt_C2701D6425E853D774F018BD31426972" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from issuance of debt </link:label>

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<link:label id="lab_us-gaap_InvestmentOwnedBalanceShares_FACCEEBEB22AE9BB5BA318BD3142B260_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentOwnedBalanceShares_FACCEEBEB22AE9BB5BA318BD3142B260" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment Owned, Balance, Shares </link:label>

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<link:label id="lab_srt_ConsolidationItemsDomain_E186A9A004658A2FF81818DF3707FBA1_label_en-US" xlink:label="lab_srt_ConsolidationItemsDomain_E186A9A004658A2FF81818DF3707FBA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>

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<link:label id="lab_srt_ConsolidationEliminationsMember_1875875E3B61A5CD1A2318DF3707BEC1_terseLabel_en-US" xlink:label="lab_srt_ConsolidationEliminationsMember_1875875E3B61A5CD1A2318DF3707BEC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation, Eliminations [Member] </link:label>

<link:label id="lab_srt_ConsolidationEliminationsMember_1875875E3B61A5CD1A2318DF3707BEC1_label_en-US" xlink:label="lab_srt_ConsolidationEliminationsMember_1875875E3B61A5CD1A2318DF3707BEC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Eliminations [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationEliminationsMember" xlink:label="loc_srt_ConsolidationEliminationsMember_1875875E3B61A5CD1A2318DF3707BEC1" xlink:type="locator"/>

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<link:label id="lab_srt_ConsolidatedEntitiesAxis_6207D7843E10690E589B18DF3708C94A_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis_6207D7843E10690E589B18DF3708C94A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidated Entities [Axis] </link:label>

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<link:label id="lab_srt_ConsolidatedEntitiesDomain_72443B19E22B63BDFBAD18DF37086DA4_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain_72443B19E22B63BDFBAD18DF37086DA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidated Entities [Domain] </link:label>

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<link:label id="lab_srt_ParentCompanyMember_A3B0C2540550A3554B8B18DF37089175_terseLabel_en-US" xlink:label="lab_srt_ParentCompanyMember_A3B0C2540550A3554B8B18DF37089175" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Parent Company [Member] </link:label>

<link:label id="lab_srt_ParentCompanyMember_A3B0C2540550A3554B8B18DF37089175_label_en-US" xlink:label="lab_srt_ParentCompanyMember_A3B0C2540550A3554B8B18DF37089175" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Parent Company [Member] </link:label>

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<link:label id="lab_srt_GuarantorSubsidiariesMember_08C403D5DF4E4E20E60618DF3708CD5D_terseLabel_en-US" xlink:label="lab_srt_GuarantorSubsidiariesMember_08C403D5DF4E4E20E60618DF3708CD5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guarantor Subsidiaries [Member] </link:label>

<link:label id="lab_srt_GuarantorSubsidiariesMember_08C403D5DF4E4E20E60618DF3708CD5D_label_en-US" xlink:label="lab_srt_GuarantorSubsidiariesMember_08C403D5DF4E4E20E60618DF3708CD5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Subsidiaries [Member] </link:label>

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<link:label id="lab_us-gaap_AssetsCurrentAbstract_866A86F11F16DD73CC3218DF370984EA_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_866A86F11F16DD73CC3218DF370984EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CURRENT ASSETS </link:label>

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<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net of allowances </link:label>

<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Net, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_9CB76729BBCA38A61AC418DF37090E13" xlink:type="arc"/>

<link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_620DEAC80D814763660B18DF370A99EA_terseLabel_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_620DEAC80D814763660B18DF370A99EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract costs and recognized income not yet billed, net of progress payments </link:label>

<link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_620DEAC80D814763660B18DF370A99EA_label_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_620DEAC80D814763660B18DF370A99EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs in Excess of Billings, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_620DEAC80D814763660B18DF370A99EA" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>

<link:label id="lab_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8_label_en-US" xlink:label="lab_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8" xlink:to="lab_us-gaap_InventoryNet_5ACBECB458DDF291CC0F18DF370AD2F8" xlink:type="arc"/>

<link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid and other current assets </link:label>

<link:label id="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prepaid Expense and Other Assets, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142" xlink:to="lab_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_B17319BCA31C3E70EBC818DF370A6142" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_F955EB79DE4CB0E6B26418DF370A5D5E_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_F955EB79DE4CB0E6B26418DF370A5D5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets of discontinued operations held for sale </link:label>

<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_F955EB79DE4CB0E6B26418DF370A5D5E_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_F955EB79DE4CB0E6B26418DF370A5D5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Current </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets of discontinued operations not held for sale </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_4519EDC3CAEC3ECD1A2218DF370A03A9" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsCurrent_CE53662146451AB322FA18DF370A9342_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_CE53662146451AB322FA18DF370A9342" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Current Assets </link:label>

<link:label id="lab_us-gaap_AssetsCurrent_CE53662146451AB322FA18DF370A9342_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_CE53662146451AB322FA18DF370A9342" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_CE53662146451AB322FA18DF370A9342" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_42605536BEB5D331FB0218DF370B1175_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_42605536BEB5D331FB0218DF370B1175" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PROPERTY, PLANT AND EQUIPMENT, net </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_42605536BEB5D331FB0218DF370B1175_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_42605536BEB5D331FB0218DF370B1175" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_42605536BEB5D331FB0218DF370B1175" xlink:type="locator"/>

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<link:label id="lab_us-gaap_Goodwill_BAF0821D15628E677F2B18DF370B9689_verboseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_BAF0821D15628E677F2B18DF370B9689" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> GOODWILL </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_BAF0821D15628E677F2B18DF370B9689" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_BAF0821D15628E677F2B18DF370B9689" xlink:to="lab_us-gaap_Goodwill_BAF0821D15628E677F2B18DF370B9689" xlink:type="arc"/>

<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_10FCC9AA086647F0A60C18DF370B1616_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_10FCC9AA086647F0A60C18DF370B1616" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INTANGIBLE ASSETS, net </link:label>

<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_10FCC9AA086647F0A60C18DF370B1616_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_10FCC9AA086647F0A60C18DF370B1616" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Net (Excluding Goodwill) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_10FCC9AA086647F0A60C18DF370B1616" xlink:type="locator"/>

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<link:label id="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41_terseLabel_en-US" xlink:label="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INTERCOMPANY RECEIVABLE </link:label>

<link:label id="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41_label_en-US" xlink:label="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> INTERCOMPANY RECEIVABLE </link:label>

<link:label id="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41_documentation_en-US" xlink:label="lab_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount due from inter company sectors, more than one year from the balance sheet date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_IntercompanyReceivables" xlink:label="loc_gff_IntercompanyReceivables_4EB4896003BE3323060818DF370B6B41" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EquityMethodInvestments_EF1BFA84EBCC1501A8DA18DF370BF687_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_EF1BFA84EBCC1501A8DA18DF370BF687" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EQUITY INVESTMENTS IN SUBSIDIARIES </link:label>

<link:label id="lab_us-gaap_EquityMethodInvestments_EF1BFA84EBCC1501A8DA18DF370BF687_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_EF1BFA84EBCC1501A8DA18DF370BF687" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments </link:label>

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<link:label id="lab_us-gaap_OtherAssetsNoncurrent_60C7262933E70F0B251818DF370CB4AD_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_60C7262933E70F0B251818DF370CB4AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> OTHER ASSETS </link:label>

<link:label id="lab_us-gaap_OtherAssetsNoncurrent_60C7262933E70F0B251818DF370CB4AD_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_60C7262933E70F0B251818DF370CB4AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_60C7262933E70F0B251818DF370CB4AD" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7F24256E7A5814947A9818DF3711B2DF_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7F24256E7A5814947A9818DF3711B2DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ASSETS OF DISCONTINUED OPERATIONS </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7F24256E7A5814947A9818DF3711B2DF_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_7F24256E7A5814947A9818DF3711B2DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent </link:label>

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<link:label id="lab_us-gaap_Assets_F921F75830ED59BF45D318DF37110E5E_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_F921F75830ED59BF45D318DF37110E5E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Assets </link:label>

<link:label id="lab_us-gaap_Assets_F921F75830ED59BF45D318DF37110E5E_label_en-US" xlink:label="lab_us-gaap_Assets_F921F75830ED59BF45D318DF37110E5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>

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<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_66BAC300693EAE38247E18DF37116C9F_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_66BAC300693EAE38247E18DF37116C9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CURRENT LIABILITIES </link:label>

<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_66BAC300693EAE38247E18DF37116C9F_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_66BAC300693EAE38247E18DF37116C9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_66BAC300693EAE38247E18DF37116C9F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermDebtCurrent_44730B8888BBC942A9BA18DF37125BE2_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_44730B8888BBC942A9BA18DF37125BE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes payable and current portion of long-term debt </link:label>

<link:label id="lab_us-gaap_LongTermDebtCurrent_44730B8888BBC942A9BA18DF37125BE2_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_44730B8888BBC942A9BA18DF37125BE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_44730B8888BBC942A9BA18DF37125BE2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_3076E44D7E5512C09FBB18DF3712F705_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_3076E44D7E5512C09FBB18DF3712F705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>

<link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_3076E44D7E5512C09FBB18DF3712F705_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_3076E44D7E5512C09FBB18DF3712F705" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable and Accrued Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_3076E44D7E5512C09FBB18DF3712F705" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_4BEF1E6DA06ED96F91D818DF37125A0A_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_4BEF1E6DA06ED96F91D818DF37125A0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities of discontinued operations held for sale </link:label>

<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_4BEF1E6DA06ED96F91D818DF37125A0A_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_4BEF1E6DA06ED96F91D818DF37125A0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_4BEF1E6DA06ED96F91D818DF37125A0A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities_9098F185F65E7A6CE7E118DF371229DA_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities_9098F185F65E7A6CE7E118DF371229DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities of discontinued operations </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities_9098F185F65E7A6CE7E118DF371229DA_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities_9098F185F65E7A6CE7E118DF371229DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accrued Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities_9098F185F65E7A6CE7E118DF371229DA" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LiabilitiesCurrent_2D27C741E17734442A6118DF37123C6B_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_2D27C741E17734442A6118DF37123C6B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Current Liabilities </link:label>

<link:label id="lab_us-gaap_LiabilitiesCurrent_2D27C741E17734442A6118DF37123C6B_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_2D27C741E17734442A6118DF37123C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2D27C741E17734442A6118DF37123C6B" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_15139390A8FD31402F7318DF37135703_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_15139390A8FD31402F7318DF37135703" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> LONG-TERM DEBT, net of debt discounts </link:label>

<link:label id="lab_us-gaap_LongTermDebtNoncurrent_15139390A8FD31402F7318DF37135703_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_15139390A8FD31402F7318DF37135703" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_15139390A8FD31402F7318DF37135703" xlink:type="locator"/>

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<link:label id="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724_terseLabel_en-US" xlink:label="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INTERCOMPANY PAYABLES </link:label>

<link:label id="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724_label_en-US" xlink:label="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> INTERCOMPANY PAYABLES </link:label>

<link:label id="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724_documentation_en-US" xlink:label="lab_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of inter company payable due after one year or beyond the normal operating cycle, if longer. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_IntercompanyPayables" xlink:label="loc_gff_IntercompanyPayables_C06FAB7EF0F0526DCF3918DF37130724" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> OTHER LIABILITIES </link:label>

<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_F51A6970F433175B02A018DF37135739" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_782BD12C69666C87D7BA18DF37136369_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_782BD12C69666C87D7BA18DF37136369" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIABILITIES OF DISCONTINUED OPERATIONS </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_782BD12C69666C87D7BA18DF37136369_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_782BD12C69666C87D7BA18DF37136369" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_782BD12C69666C87D7BA18DF37136369" xlink:type="locator"/>

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<link:label id="lab_us-gaap_Liabilities_AD821C38863530724E7718DF3713FB7C_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_AD821C38863530724E7718DF3713FB7C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Liabilities </link:label>

<link:label id="lab_us-gaap_Liabilities_AD821C38863530724E7718DF3713FB7C_label_en-US" xlink:label="lab_us-gaap_Liabilities_AD821C38863530724E7718DF3713FB7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_AD821C38863530724E7718DF3713FB7C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StockholdersEquity_268E68002B549D2EB15F18DF371489CF_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_268E68002B549D2EB15F18DF371489CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SHAREHOLDERS’ EQUITY </link:label>

<link:label id="lab_us-gaap_StockholdersEquity_268E68002B549D2EB15F18DF371489CF_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_268E68002B549D2EB15F18DF371489CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_268E68002B549D2EB15F18DF371489CF" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_185C3F01D9FA0DB9B16E18DF3714B256_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_185C3F01D9FA0DB9B16E18DF3714B256" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Liabilities and Shareholders’ Equity </link:label>

<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_185C3F01D9FA0DB9B16E18DF3714B256_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_185C3F01D9FA0DB9B16E18DF3714B256" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>

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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_8C8676116CC06D64DA0518BD2F19E2CF_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_8C8676116CC06D64DA0518BD2F19E2CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domestic </link:label>

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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_71F9DE311B48213FA79418BD2F198977_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_71F9DE311B48213FA79418BD2F198977" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-U.S. </link:label>

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<link:label id="lab_gff_ACQUISITIONSDetailsTable_2BC0B407330D0779DBAA1A6A4FC1077F_terseLabel_en-US" xlink:label="lab_gff_ACQUISITIONSDetailsTable_2BC0B407330D0779DBAA1A6A4FC1077F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ACQUISITIONS (Details) [Table] </link:label>

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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_54A3C73970ABE615FB8D1A6D02F24B59_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_54A3C73970ABE615FB8D1A6D02F24B59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

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<link:label id="lab_us-gaap_TradeNamesMember_20EE858CD69E790A71D41A6D57907175_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_20EE858CD69E790A71D41A6D57907175" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade Names [Member] </link:label>

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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_6EC3FD56836C0C5DBB5A1A6A4FD1F8A9_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpensesMember_6EC3FD56836C0C5DBB5A1A6A4FD1F8A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative expenses [Member] </link:label>

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<link:label id="lab_us-gaap_CostOfSalesMember_33F2185C40909309DBAB1A6A4FD10B51_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfSalesMember_33F2185C40909309DBAB1A6A4FD10B51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of Sales [Member] </link:label>

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<link:label id="lab_gff_MahindraTelephonicsIntegratedSystemsMember_032A3BF9E4CAB50428511A6A4FD16F00_terseLabel_en-US" xlink:label="lab_gff_MahindraTelephonicsIntegratedSystemsMember_032A3BF9E4CAB50428511A6A4FD16F00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mahindra Telephonics Integrated Systems [Member] </link:label>

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<link:label id="lab_gff_ClosetMaidLLCMember_7A22561506AF586456171A6A4FD365A4_terseLabel_en-US" xlink:label="lab_gff_ClosetMaidLLCMember_7A22561506AF586456171A6A4FD365A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ClosetMaid LLC [Member] </link:label>

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<link:label id="lab_gff_LaHaciendaLimitedMember_957A9273D39C7F2F33BE1A6A4FD35C71_terseLabel_en-US" xlink:label="lab_gff_LaHaciendaLimitedMember_957A9273D39C7F2F33BE1A6A4FD35C71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> La Hacienda Limited [Member] </link:label>

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<link:label id="lab_gff_HillsHomeLivingMember_464DA838FA3C5C24AF301A6A4FD3C53B_terseLabel_en-US" xlink:label="lab_gff_HillsHomeLivingMember_464DA838FA3C5C24AF301A6A4FD3C53B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hills Home Living [Member] </link:label>

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<link:label id="lab_gff_NylexPlasticsPtyLtd.Member_07F235639B3EE9CE3FDF1A6A4FD36E63_terseLabel_en-US" xlink:label="lab_gff_NylexPlasticsPtyLtd.Member_07F235639B3EE9CE3FDF1A6A4FD36E63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Nylex Plastics Pty Ltd. [Member] </link:label>

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<link:label id="lab_gff_KelkayMember_42BAB66DCECEF1ECE0DC1A6A4FD3335F_terseLabel_en-US" xlink:label="lab_gff_KelkayMember_42BAB66DCECEF1ECE0DC1A6A4FD3335F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Kelkay [Member] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_KelkayMember" xlink:label="loc_gff_KelkayMember_42BAB66DCECEF1ECE0DC1A6A4FD3335F" xlink:type="locator"/>

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<link:label id="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE_terseLabel_en-US" xlink:label="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AMES Australia [Member] </link:label>

<link:label id="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE_label_en-US" xlink:label="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AMES Australia [Member] </link:label>

<link:label id="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE_documentation_en-US" xlink:label="lab_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> AMES Australia [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AMESAustraliaMember" xlink:label="loc_gff_AMESAustraliaMember_FCD319FD88B0391A1A9F1A6A4FD319DE" xlink:type="locator"/>

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<link:label id="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4_terseLabel_en-US" xlink:label="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> The AMES Companies, Inc. [Member] </link:label>

<link:label id="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4_label_en-US" xlink:label="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> The AMES Companies, Inc. [Member] </link:label>

<link:label id="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4_documentation_en-US" xlink:label="lab_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The AMES Companies, Inc. [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TheAMESCompaniesInc.Member" xlink:label="loc_gff_TheAMESCompaniesInc.Member_020B78D252E580D9F0661A6A4FD30BA4" xlink:type="locator"/>

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<link:label id="lab_gff_ACQUISITIONSDetailsLineItems_7A4DC957E5AF2FA4FE871A6A4FD699FB_terseLabel_en-US" xlink:label="lab_gff_ACQUISITIONSDetailsLineItems_7A4DC957E5AF2FA4FE871A6A4FD699FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ACQUISITIONS (Details) [Line Items] </link:label>

<link:label id="lab_gff_ACQUISITIONSDetailsLineItems_7A4DC957E5AF2FA4FE871A6A4FD699FB_label_en-US" xlink:label="lab_gff_ACQUISITIONSDetailsLineItems_7A4DC957E5AF2FA4FE871A6A4FD699FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ACQUISITIONS (Details) [Line Items] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_ACQUISITIONSDetailsLineItems" xlink:label="loc_gff_ACQUISITIONSDetailsLineItems_7A4DC957E5AF2FA4FE871A6A4FD699FB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_682A2A1FDBD97EF79E051A6A4FD6DC95_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1_682A2A1FDBD97EF79E051A6A4FD6DC95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business combination, consideration transferred </link:label>

<link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_682A2A1FDBD97EF79E051A6A4FD6DC95_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1_682A2A1FDBD97EF79E051A6A4FD6DC95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Consideration Transferred </link:label>

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<link:label id="lab_us-gaap_PaymentsToAcquireInterestInJointVenture_9E6215EC2764B74300BD1A6A4FD6FC04_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInterestInJointVenture_9E6215EC2764B74300BD1A6A4FD6FC04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Interest in Joint Venture </link:label>

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<link:label id="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_DC3E7DF13FA6F768D7C01A6A4FD61AAE_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationLiability_DC3E7DF13FA6F768D7C01A6A4FD61AAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contingent consideration </link:label>

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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_C5CA0AB8F86BCDE2AE6D1A6A4FD660FF_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand_C5CA0AB8F86BCDE2AE6D1A6A4FD660FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land acquired </link:label>

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<link:label id="lab_gff_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapital_6379BFAC995545003ACA1A6A4FD81749_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapital_6379BFAC995545003ACA1A6A4FD81749" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Working capital adjustment </link:label>

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<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesGross_1E55386AF9573088BD6A1A6A4FD81198_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesGross_1E55386AF9573088BD6A1A6A4FD81198" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to acquire businesses </link:label>

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<link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_29033F4A1CE7F265105E18BD2F98E36C_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_29033F4A1CE7F265105E18BD2F98E36C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current </link:label>

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<link:label id="lab_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_4EF12772A3ED1A00B73C18BD2F983EB9_terseLabel_en-US" xlink:label="lab_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_4EF12772A3ED1A00B73C18BD2F983EB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Federal </link:label>

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<link:label id="lab_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label>

<link:label id="lab_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565" xlink:to="lab_srt_StatementGeographicalAxis_E39F36D568009D97B5BA18C1833DC565" xlink:type="arc"/>

<link:label id="lab_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>

<link:label id="lab_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73" xlink:to="lab_srt_SegmentGeographicalDomain_2991760959BC81F96DBA18C1833D2D73" xlink:type="arc"/>

<link:label id="lab_country_US_7A935B6C79AE566769B818C1833D5D41_terseLabel_en-US" xlink:label="lab_country_US_7A935B6C79AE566769B818C1833D5D41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States [Member] </link:label>

<link:label id="lab_country_US_7A935B6C79AE566769B818C1833D5D41_label_en-US" xlink:label="lab_country_US_7A935B6C79AE566769B818C1833D5D41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label>

<link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_7A935B6C79AE566769B818C1833D5D41" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US_7A935B6C79AE566769B818C1833D5D41" xlink:to="lab_country_US_7A935B6C79AE566769B818C1833D5D41" xlink:type="arc"/>

<link:label id="lab_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7_terseLabel_en-US" xlink:label="lab_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Europe [Member] </link:label>

<link:label id="lab_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7_label_en-US" xlink:label="lab_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Europe [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_EuropeMember" xlink:label="loc_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7" xlink:to="lab_srt_EuropeMember_7C6A491CB395E85EAD8318C1833ECBB7" xlink:type="arc"/>

<link:label id="lab_country_AU_34CAB64D95E18ED2D1B818C1833E7D97_terseLabel_en-US" xlink:label="lab_country_AU_34CAB64D95E18ED2D1B818C1833E7D97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AUSTRALIA </link:label>

<link:label id="lab_country_AU_34CAB64D95E18ED2D1B818C1833E7D97_label_en-US" xlink:label="lab_country_AU_34CAB64D95E18ED2D1B818C1833E7D97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AUSTRALIA </link:label>

<link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_AU" xlink:label="loc_country_AU_34CAB64D95E18ED2D1B818C1833E7D97" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_AU_34CAB64D95E18ED2D1B818C1833E7D97" xlink:to="lab_country_AU_34CAB64D95E18ED2D1B818C1833E7D97" xlink:type="arc"/>

<link:label id="lab_country_GB_4BD009F17A2B6545F23518C1833E6916_terseLabel_en-US" xlink:label="lab_country_GB_4BD009F17A2B6545F23518C1833E6916" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> UNITED KINGDOM </link:label>

<link:label id="lab_country_GB_4BD009F17A2B6545F23518C1833E6916_label_en-US" xlink:label="lab_country_GB_4BD009F17A2B6545F23518C1833E6916" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED KINGDOM </link:label>

<link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_GB" xlink:label="loc_country_GB_4BD009F17A2B6545F23518C1833E6916" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_GB_4BD009F17A2B6545F23518C1833E6916" xlink:to="lab_country_GB_4BD009F17A2B6545F23518C1833E6916" xlink:type="arc"/>

<link:label id="lab_country_MX_CE432DC82BF6977E374418C1833E0751_terseLabel_en-US" xlink:label="lab_country_MX_CE432DC82BF6977E374418C1833E0751" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> MEXICO </link:label>

<link:label id="lab_country_MX_CE432DC82BF6977E374418C1833E0751_label_en-US" xlink:label="lab_country_MX_CE432DC82BF6977E374418C1833E0751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> MEXICO </link:label>

<link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_MX" xlink:label="loc_country_MX_CE432DC82BF6977E374418C1833E0751" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_MX_CE432DC82BF6977E374418C1833E0751" xlink:to="lab_country_MX_CE432DC82BF6977E374418C1833E0751" xlink:type="arc"/>

<link:label id="lab_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B_terseLabel_en-US" xlink:label="lab_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canada [Member] </link:label>

<link:label id="lab_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B_label_en-US" xlink:label="lab_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CANADA </link:label>

<link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CA" xlink:label="loc_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B" xlink:to="lab_country_CA_EE96EC65B0C7A30B8CFF18C1833EC70B" xlink:type="arc"/>

<link:label id="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805_terseLabel_en-US" xlink:label="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> All other countries [Member] </link:label>

<link:label id="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805_label_en-US" xlink:label="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> All Other Countries [Member] </link:label>

<link:label id="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805_documentation_en-US" xlink:label="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> All other countries. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AllOtherCountriesMember" xlink:label="loc_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:to="lab_gff_AllOtherCountriesMember_EFF21CC079969F77815118C1833E9805" xlink:type="arc"/>

<link:label id="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E_terseLabel_en-US" xlink:label="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> REPORTABLE SEGMENTS (Details) - Schedule of Segment Information by Geographic Region [Line Items] </link:label>

<link:label id="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E_label_en-US" xlink:label="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> REPORTABLE SEGMENTS (Details) - Schedule of Segment Information by Geographic Region [Line Items] </link:label>

<link:label id="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E_documentation_en-US" xlink:label="lab_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems" xlink:label="loc_gff_REPORTABLESEGMENTSDetailsScheduleofSegmentInformationbyGeographicRegionLineItems_BC39EA7F26866C6811EB18C1833FB30E" xlink:type="locator"/>

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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_F1310FADB6C8E32E69D118C4DB1AFFA3_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_F1310FADB6C8E32E69D118C4DB1AFFA3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Consolidated revenue </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_F1310FADB6C8E32E69D118C4DB1AFFA3" xlink:type="locator"/>

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<link:label id="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309_terseLabel_en-US" xlink:label="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidated property, plant and equipment, net </link:label>

<link:label id="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309_label_en-US" xlink:label="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property Plant Equipment And Intangible Assets Excluding Goodwill Net </link:label>

<link:label id="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309_documentation_en-US" xlink:label="lab_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Property plant equipment and intangible assets excluding goodwill net. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet" xlink:label="loc_gff_PropertyPlantEquipmentAndIntangibleAssetsExcludingGoodwillNet_056BCE78D51E2B51023018C1833F2309" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_CD427719D5BE5A698FB818BD3161F8CB_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_CD427719D5BE5A698FB818BD3161F8CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension amortization </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_CD427719D5BE5A698FB818BD3161F8CB_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_CD427719D5BE5A698FB818BD3161F8CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_CD427719D5BE5A698FB818BD3161F8CB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_8721BAC923D9647E35BA18BD3161D989_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_8721BAC923D9647E35BA18BD3161D989" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flow hedges </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_8721BAC923D9647E35BA18BD3161D989_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_8721BAC923D9647E35BA18BD3161D989" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_8721BAC923D9647E35BA18BD3161D989" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_98B418199CC0475DF30818BD3161A7AC_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_98B418199CC0475DF30818BD3161A7AC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total before tax </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_98B418199CC0475DF30818BD3161A7AC_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_98B418199CC0475DF30818BD3161A7AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_98B418199CC0475DF30818BD3161A7AC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_CC2C52FFAD804D61F04918BD316163C4_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_CC2C52FFAD804D61F04918BD316163C4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Tax </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_CC2C52FFAD804D61F04918BD316163C4_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_CC2C52FFAD804D61F04918BD316163C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax_CC2C52FFAD804D61F04918BD316163C4" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_CD4417B81E9D81C3F7D918BD316130D7_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_CD4417B81E9D81C3F7D918BD316130D7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net of tax </link:label>

<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_CD4417B81E9D81C3F7D918BD316130D7_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_CD4417B81E9D81C3F7D918BD316130D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_CD4417B81E9D81C3F7D918BD316130D7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PayablesAndAccrualsAbstract_B890BFA085AB1BA2C16F18BD2F074C6B_label_en-US" xlink:label="lab_us-gaap_PayablesAndAccrualsAbstract_B890BFA085AB1BA2C16F18BD2F074C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payables and Accruals [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="loc_us-gaap_PayablesAndAccrualsAbstract_B890BFA085AB1BA2C16F18BD2F074C6B" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_26620B569955DB1249D118BD2F177CC0_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_26620B569955DB1249D118BD2F177CC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable and Accrued Liabilities Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_26620B569955DB1249D118BD2F177CC0" xlink:type="locator"/>

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<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable_D690225B31ECAA9DECB718BD30053406_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable_D690225B31ECAA9DECB718BD30053406" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Plan assets and benefit obligation of the defined benefit plans [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable_D690225B31ECAA9DECB718BD30053406_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable_D690225B31ECAA9DECB718BD30053406" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Plan assets and benefit obligation of the defined benefit plans [Table] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansTable_D690225B31ECAA9DECB718BD30053406" xlink:type="locator"/>

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<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Plan assets and benefit obligation of the defined benefit plans [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Plan assets and benefit obligation of the defined benefit plans [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6_documentation_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:to="lab_gff_EMPLOYEEBENEFITPLANSDetailsPlanassetsandbenefitobligationofthedefinedbenefitplansLineItems_010DFBDAF310A77D099818BD30053EF6" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_12735BAE33437D9FF19B18BD3005FC48_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_12735BAE33437D9FF19B18BD3005FC48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in benefit obligation: </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_12735BAE33437D9FF19B18BD3005FC48_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_12735BAE33437D9FF19B18BD3005FC48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_12735BAE33437D9FF19B18BD3005FC48" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_88AEF64A39C99DEFD3BE18BD300589CE_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_88AEF64A39C99DEFD3BE18BD300589CE" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Benefit obligation at beginning of fiscal year </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_88AEF64A39C99DEFD3BE18BD300589CE_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_88AEF64A39C99DEFD3BE18BD300589CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_88AEF64A39C99DEFD3BE18BD300589CE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_6522ACD17136BC764E8618BD3005B85A_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_6522ACD17136BC764E8618BD3005B85A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_6522ACD17136BC764E8618BD3005B85A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_6522ACD17136BC764E8618BD3005B85A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Benefits Paid </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_6522ACD17136BC764E8618BD3005B85A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_49AD38ACE358131C8B0718BD300588D1_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_49AD38ACE358131C8B0718BD300588D1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Actuarial (gain) loss </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_ACDE987858F88F185E7918BD30052CF2_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_ACDE987858F88F185E7918BD30052CF2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Benefit obligation at end of fiscal year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_ACDE987858F88F185E7918BD30052CF2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_72540DA6A1D91B549FF318BD3005217F_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_72540DA6A1D91B549FF318BD3005217F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in plan assets: </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_72540DA6A1D91B549FF318BD3005217F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_DA0FAAD70074E3AF874518BD300515A0_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_DA0FAAD70074E3AF874518BD300515A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_DA0FAAD70074E3AF874518BD300515A0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_509C0BB758C26896D7E418BD30057B50_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_509C0BB758C26896D7E418BD30057B50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Actual return on plan assets </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_509C0BB758C26896D7E418BD30057B50_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_509C0BB758C26896D7E418BD30057B50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_509C0BB758C26896D7E418BD30057B50" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_423283C6364D020EF3A118BD300515D7_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_423283C6364D020EF3A118BD300515D7" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_29F2B5658283A118277718BD3005C037_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_29F2B5658283A118277718BD3005C037" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Fair value of plan assets at end of fiscal year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_29F2B5658283A118277718BD3005C037" xlink:type="locator"/>

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<link:label id="lab_gff_AmountsRecognizedInTheStatementOfFinancialPositionConsistOfAbstract_0E6BA3B6708D7DDD375218BD30052D92_terseLabel_en-US" xlink:label="lab_gff_AmountsRecognizedInTheStatementOfFinancialPositionConsistOfAbstract_0E6BA3B6708D7DDD375218BD30052D92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amounts recognized in the statement of financial position consist of: </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_265776F69D3D0B300A8018BD3005E586_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_265776F69D3D0B300A8018BD3005E586" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accrued liabilities </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_265776F69D3D0B300A8018BD3005E586_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_265776F69D3D0B300A8018BD3005E586" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability, Defined Benefit Pension Plan, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_265776F69D3D0B300A8018BD3005E586" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_04D2BB65D301282A89E618BD30057BA8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_04D2BB65D301282A89E618BD30057BA8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities (long-term) </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_04D2BB65D301282A89E618BD30057BA8_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_04D2BB65D301282A89E618BD30057BA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability, Defined Benefit Pension Plan, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_04D2BB65D301282A89E618BD30057BA8" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_DCDC6610774A799A4E4418BD3005E5F6_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_DCDC6610774A799A4E4418BD3005E5F6" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Total Liabilities </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_DCDC6610774A799A4E4418BD3005E5F6_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_DCDC6610774A799A4E4418BD3005E5F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability, Defined Benefit Pension Plan </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_DCDC6610774A799A4E4418BD3005E5F6" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_3F4BA193D5A4608EC34F18BD30059FAE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_3F4BA193D5A4608EC34F18BD30059FAE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net actuarial losses </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_3F4BA193D5A4608EC34F18BD30059FAE_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_3F4BA193D5A4608EC34F18BD30059FAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_3F4BA193D5A4608EC34F18BD30059FAE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_15BDB3A113B00223FE8518BD3005C00B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_15BDB3A113B00223FE8518BD3005C00B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Prior service cost </link:label>

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<link:label id="lab_gff_DefinedBenefitPlanDeferredTaxes_1EDD1F0A420825AC027818BD3005A483_label_en-US" xlink:label="lab_gff_DefinedBenefitPlanDeferredTaxes_1EDD1F0A420825AC027818BD3005A483" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred taxes </link:label>

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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7845EEAC6DFE863B0B5A18BD3005801E_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_7845EEAC6DFE863B0B5A18BD3005801E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Total Accumulated other comprehensive loss, net of tax </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_5E92D48551879D33D9D018BD300569F1_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_5E92D48551879D33D9D018BD300569F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net amount recognized at September 30, </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_230D5AD9D568EEDFEEB518BD30057835_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_230D5AD9D568EEDFEEB518BD30057835" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated benefit obligations </link:label>

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<link:label id="lab_gff_InformationForPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_243573E6E5240BDAF89618BD3005E5C1_terseLabel_en-US" xlink:label="lab_gff_InformationForPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_243573E6E5240BDAF89618BD3005E5C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Information for plans with accumulated benefit obligations in excess of plan assets: </link:label>

<link:label id="lab_gff_InformationForPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_243573E6E5240BDAF89618BD3005E5C1_label_en-US" xlink:label="lab_gff_InformationForPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_243573E6E5240BDAF89618BD3005E5C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Information for plans with accumulated benefit obligations in excess of plan assets: [Abstract] </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_BBE38D43ACEEE199B74818BD30054B83_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_BBE38D43ACEEE199B74818BD30054B83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ABO </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_BBE38D43ACEEE199B74818BD30054B83_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_BBE38D43ACEEE199B74818BD30054B83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation </link:label>

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<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4C2BBC5FF63A8069C41818BD30058DBC_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4C2BBC5FF63A8069C41818BD30058DBC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> PBO </link:label>

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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4C2BBC5FF63A8069C41818BD30058DBC" xlink:to="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4C2BBC5FF63A8069C41818BD30058DBC" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of plan assets </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295" xlink:to="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_8B5E297A5885BAC4014818BD30055295" xlink:type="arc"/>

<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD_terseLabel_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> GOODWILL AND OTHER INTANGIBLES (Details) - Summary of gross carrying value and accumulated amortization of intangible assets [Table] </link:label>

<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD_label_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets [Table] </link:label>

<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD_documentation_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable" xlink:label="loc_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsTable_5117E810679C82A8184B18BD2F19B2DD" xlink:type="locator"/>

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<link:label id="lab_us-gaap_UnpatentedTechnologyMember_3848F59EBAA7DB8258D118BD2F1905AE_terseLabel_en-US" xlink:label="lab_us-gaap_UnpatentedTechnologyMember_3848F59EBAA7DB8258D118BD2F1905AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unpatented technology [Member] </link:label>

<link:label id="lab_us-gaap_UnpatentedTechnologyMember_3848F59EBAA7DB8258D118BD2F1905AE_label_en-US" xlink:label="lab_us-gaap_UnpatentedTechnologyMember_3848F59EBAA7DB8258D118BD2F1905AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unpatented Technology [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnpatentedTechnologyMember" xlink:label="loc_us-gaap_UnpatentedTechnologyMember_3848F59EBAA7DB8258D118BD2F1905AE" xlink:type="locator"/>

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<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1_terseLabel_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> GOODWILL AND OTHER INTANGIBLES (Details) - Summary of gross carrying value and accumulated amortization of intangible assets [Line Items] </link:label>

<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1_label_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Gross Carrying Value and Accumulated Amortization of Intangible Assets [Line Items] </link:label>

<link:label id="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1_documentation_en-US" xlink:label="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1" xlink:to="lab_gff_GOODWILLANDOTHERINTANGIBLESDetailsSummaryofGrossCarryingValueandAccumulatedAmortizationofIntangibleAssetsLineItems_94C29153E0AB9646B9AB18BD2F1911C1" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A376536965078F11ECBB18BD2F190878_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A376536965078F11ECBB18BD2F190878" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross Carrying Amount </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A376536965078F11ECBB18BD2F190878_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A376536965078F11ECBB18BD2F190878" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A376536965078F11ECBB18BD2F190878" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IndefiniteLivedTrademarks_DB768DCF38121D6D04EB18BD2F1958B2_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTrademarks_DB768DCF38121D6D04EB18BD2F1958B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trademarks </link:label>

<link:label id="lab_us-gaap_IndefiniteLivedTrademarks_DB768DCF38121D6D04EB18BD2F1958B2_label_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTrademarks_DB768DCF38121D6D04EB18BD2F1958B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Indefinite-Lived Trademarks </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IndefiniteLivedTrademarks" xlink:label="loc_us-gaap_IndefiniteLivedTrademarks_DB768DCF38121D6D04EB18BD2F1958B2" xlink:type="locator"/>

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<link:label id="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9_totalLabel_en-US" xlink:label="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total intangible assets </link:label>

<link:label id="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9_label_en-US" xlink:label="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite Lived And Infinite Lived Intangible Asset Gross </link:label>

<link:label id="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9_documentation_en-US" xlink:label="lab_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Sum of the gross carrying amounts of all intangible assets, excluding goodwill and before accumulated amortization, as of the balance sheet date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross" xlink:label="loc_gff_FiniteLivedAndInfiniteLivedIntangibleAssetGross_503ECEEAF9207C5D9F1618BD2F19E8F9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A1442A44B62DB55CB05418BD2F1939E1_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A1442A44B62DB55CB05418BD2F1939E1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Amortization </link:label>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A1442A44B62DB55CB05418BD2F1939E1_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A1442A44B62DB55CB05418BD2F1939E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_A1442A44B62DB55CB05418BD2F1939E1" xlink:type="locator"/>

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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_6331F5997AE1FACF142718BD2F190D28_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_6331F5997AE1FACF142718BD2F190D28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Average Life (Years) </link:label>

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<link:label id="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_A916CDE234B16CBF5D9318BD30721A92_terseLabel_en-US" xlink:label="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_A916CDE234B16CBF5D9318BD30721A92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Movement in Standard Product Warranty Accrual [Roll Forward] </link:label>

<link:label id="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_A916CDE234B16CBF5D9318BD30721A92_label_en-US" xlink:label="lab_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_A916CDE234B16CBF5D9318BD30721A92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Movement in Standard Product Warranty Accrual [Roll Forward] </link:label>

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<link:label id="lab_us-gaap_ProductWarrantyAccrual_DF9BE20E6D73CC77C1A718BD3072CDA9_periodStartLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_DF9BE20E6D73CC77C1A718BD3072CDA9" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance, beginning of period </link:label>

<link:label id="lab_us-gaap_ProductWarrantyAccrual_DF9BE20E6D73CC77C1A718BD3072CDA9_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_DF9BE20E6D73CC77C1A718BD3072CDA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard and Extended Product Warranty Accrual </link:label>

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<link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_2AC0FCE2B2B8D378920F18BD307236A0_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_2AC0FCE2B2B8D378920F18BD307236A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranties issued and changes in estimated pre-existing warranties </link:label>

<link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_2AC0FCE2B2B8D378920F18BD307236A0_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_2AC0FCE2B2B8D378920F18BD307236A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard and Extended Product Warranty Accrual, Increase for Warranties Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_2AC0FCE2B2B8D378920F18BD307236A0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_C977EAE5F1A8DB3266C618BD30720EBE_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_C977EAE5F1A8DB3266C618BD30720EBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Actual warranty costs incurred </link:label>

<link:label id="lab_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_C977EAE5F1A8DB3266C618BD30720EBE_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_C977EAE5F1A8DB3266C618BD30720EBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard and Extended Product Warranty Accrual, Period Increase (Decrease) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease" xlink:label="loc_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_C977EAE5F1A8DB3266C618BD30720EBE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_E17B3EF80BE3784071D618BD30721808_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_E17B3EF80BE3784071D618BD30721808" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other warranty liabilities assumed from acquisitions </link:label>

<link:label id="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_E17B3EF80BE3784071D618BD30721808_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_E17B3EF80BE3784071D618BD30721808" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty Accrual, Additions from Business Acquisition </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_E17B3EF80BE3784071D618BD30721808" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProductWarrantyAccrual_CEE9ACEB5869B4FA723B18BD3072BCBC_periodEndLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_CEE9ACEB5869B4FA723B18BD3072BCBC" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance, end of period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_CEE9ACEB5869B4FA723B18BD3072BCBC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_AE27C299A2112C9D12E718BD31FC3F58_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_AE27C299A2112C9D12E718BD31FC3F58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations and Disposal Groups [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_AE27C299A2112C9D12E718BD31FC3F58" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_8773FB26EF428837438618BD31FCE393_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_8773FB26EF428837438618BD31FCE393" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_8773FB26EF428837438618BD31FCE393_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_8773FB26EF428837438618BD31FCE393" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_8773FB26EF428837438618BD31FCE393" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_117E72D28474BC37ABC618BD320CFFE9_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_117E72D28474BC37ABC618BD320CFFE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>

<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_117E72D28474BC37ABC618BD320CFFE9_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_117E72D28474BC37ABC618BD320CFFE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_117E72D28474BC37ABC618BD320CFFE9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_DD27A2129E121D9D55EB18BD320C1F9F_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_DD27A2129E121D9D55EB18BD320C1F9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_DD27A2129E121D9D55EB18BD320C1F9F_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_DD27A2129E121D9D55EB18BD320C1F9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_31809F3A95244F6D838D18BD320CC5A8_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_31809F3A95244F6D838D18BD320CC5A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_31809F3A95244F6D838D18BD320CC5A8_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_31809F3A95244F6D838D18BD320CC5A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Inventory, Current </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_8566BCD8E411E6BE077618BD320C587E_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_8566BCD8E411E6BE077618BD320C587E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepaid and other current assets </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_8566BCD8E411E6BE077618BD320C587E_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_8566BCD8E411E6BE077618BD320C587E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_DED40696F214A1B276D618BD320CAEBE_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_DED40696F214A1B276D618BD320CAEBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PROPERTY, PLANT AND EQUIPMENT, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_DED40696F214A1B276D618BD320CAEBE_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_DED40696F214A1B276D618BD320CAEBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Property, Plant and Equipment </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> GOODWILL </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Goodwill </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_4DF950F964BE1CC57AC118BD320C9D28" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INTANGIBLE ASSETS, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Intangible Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_9EE2E517F0BEEF92AD5418BD320CD0E2" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_F4E73D29DC1626999ECD18BD320CA1F9_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_F4E73D29DC1626999ECD18BD320CA1F9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> OTHER ASSETS </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_F4E73D29DC1626999ECD18BD320CA1F9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_F4E73D29DC1626999ECD18BD320CA1F9" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_F4E73D29DC1626999ECD18BD320CA1F9" xlink:type="arc"/>

<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Assets Held for Sale </link:label>

<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1" xlink:to="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_7172477ECC5CF034380418BD320CF4E1" xlink:type="arc"/>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279_terseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes payable and current portion of long-term debt </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Notes Payable And Current Portion Of Long-term Debt </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Notes Payable And Current Portion Of Long-term Debt </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:to="lab_gff_DisposalGroupIncludingDiscontinuedOperationNotesPayableAndCurrentPortionOfLongtermDebt_730BFFF0A52DEE108E8118BD320C7279" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_EE66599FE0653A9B410A18BD320C1881_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_EE66599FE0653A9B410A18BD320C1881" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_EE66599FE0653A9B410A18BD320C1881_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_EE66599FE0653A9B410A18BD320C1881" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts Payable, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_EE66599FE0653A9B410A18BD320C1881" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued liabilities </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_8535AC50BC24C4F5BB4118BD320C9A07" xlink:type="arc"/>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA_terseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LONG-TERM DEBT, net </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Long-Term Debt, Net </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Long-Term Debt, Net </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:to="lab_gff_DisposalGroupIncludingDiscontinuedOperationLongTermDebtNet_99FE58C26C873693BDED18BD320C20CA" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_2D61D639B436DFDDBF1718BD320CECF9_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_2D61D639B436DFDDBF1718BD320CECF9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> OTHER LIABILITIES </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_2D61D639B436DFDDBF1718BD320CECF9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_2D61D639B436DFDDBF1718BD320CECF9" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_2D61D639B436DFDDBF1718BD320CECF9" xlink:type="arc"/>

<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Liabilities Held for Sale </link:label>

<link:label id="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC" xlink:to="lab_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_D19C3720562D9F03F10918BD320CFBEC" xlink:type="arc"/>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131_documentation_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:to="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsTable_D4E447BCBB8168A39CFB18BD30826131" xlink:type="arc"/>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B_documentation_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:to="lab_gff_EMPLOYEEBENEFITPLANSDetailsWeightedaverageassumptionsusedindeterminingthenetperiodicbenefitcostsLineItems_F8E0C2274B4B3EFF59C118BD30825D3B" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discount rate </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF" xlink:to="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_9DE3576EDB7A9E88518018BD30827ADF" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_640DF0F06974ED4D021A18BD30829DE7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_640DF0F06974ED4D021A18BD30829DE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected return on assets </link:label>

<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_640DF0F06974ED4D021A18BD30829DE7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_640DF0F06974ED4D021A18BD30829DE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_640DF0F06974ED4D021A18BD30829DE7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_1D67C61ED376386E746A1E48EF6814D8_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_1D67C61ED376386E746A1E48EF6814D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Compensation </link:label>

<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_1D67C61ED376386E746A1E48EF6814D8_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_1D67C61ED376386E746A1E48EF6814D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_1D67C61ED376386E746A1E48EF6814D8" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest </link:label>

<link:label id="lab_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Payable, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E" xlink:to="lab_us-gaap_InterestPayableCurrent_8F85E1FAFE72F6007C7B1E48EF68844E" xlink:type="arc"/>

<link:label id="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA_terseLabel_en-US" xlink:label="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranties and rebates </link:label>

<link:label id="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA_label_en-US" xlink:label="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Warranties and rebates </link:label>

<link:label id="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA_documentation_en-US" xlink:label="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of obligations incurred through that date and payable for warranties and rebates (due within one year or within the normal operating cycle if longer). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccruedWarrantiesAndRebatesCurrent" xlink:label="loc_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:to="lab_gff_AccruedWarrantiesAndRebatesCurrent_936147C502FA7938CE0B1E48EF680FDA" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance </link:label>

<link:label id="lab_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E_label_en-US" xlink:label="lab_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Insurance, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedInsuranceCurrent" xlink:label="loc_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E" xlink:to="lab_us-gaap_AccruedInsuranceCurrent_CDFADA0AB6DACF8CFB411E48EF68708E" xlink:type="arc"/>

<link:label id="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD_terseLabel_en-US" xlink:label="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rent, utilities and freight </link:label>

<link:label id="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD_label_en-US" xlink:label="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rent, utilities and freight </link:label>

<link:label id="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD_documentation_en-US" xlink:label="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of obligations incurred through that date and payable for rent utilities and freight (due within one year or within the normal operating cycle if longer). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccruedRentUtilitiesAndFreightCurrent" xlink:label="loc_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:to="lab_gff_AccruedRentUtilitiesAndFreightCurrent_868D050E04145EFB80031E48EF68BFFD" xlink:type="arc"/>

<link:label id="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6_terseLabel_en-US" xlink:label="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income and other taxes </link:label>

<link:label id="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6_label_en-US" xlink:label="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income and other taxes </link:label>

<link:label id="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6_documentation_en-US" xlink:label="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of obligations incurred through that date and payable for income and other taxes (due within one year or within the normal operating cycle if longer). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccruedIncomeAndOtherTaxesCurrent" xlink:label="loc_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:to="lab_gff_AccruedIncomeAndOtherTaxesCurrent_C70B7270A5E7F60CBC931E48EF6866C6" xlink:type="arc"/>

<link:label id="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E_terseLabel_en-US" xlink:label="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Marketing and advertising </link:label>

<link:label id="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E_label_en-US" xlink:label="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketing and advertising </link:label>

<link:label id="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E_documentation_en-US" xlink:label="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of obligations incurred through that date and payable for marketing and advertising (due within one year or within the normal operating cycle if longer). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccruedMarketingAndAdvertisingCurrent" xlink:label="loc_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:to="lab_gff_AccruedMarketingAndAdvertisingCurrent_C811D8E0192242122C371E48EF68B33E" xlink:type="arc"/>

<link:label id="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319_terseLabel_en-US" xlink:label="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisition related accruals </link:label>

<link:label id="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319_label_en-US" xlink:label="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquisition Costs, Current </link:label>

<link:label id="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319_documentation_en-US" xlink:label="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Acquisition Costs, Current </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AcquisitionCostsCurrent" xlink:label="loc_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:to="lab_gff_AcquisitionCostsCurrent_C61A6B1EAADE078ABC8B1E48EF68F319" xlink:type="arc"/>

<link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>

<link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Accrued Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent_027FC0EA4CB421F5FADA1E48EF680CFD" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB_totalLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Liabilities, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent_E716B589A180FBE790071E48EF6809FB" xlink:type="arc"/>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable_EDC5743550CBCED4EB6118BD323BC2EB_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable_EDC5743550CBCED4EB6118BD323BC2EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of weighted average assumptions used in determining benefit obligations [Table] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable_EDC5743550CBCED4EB6118BD323BC2EB_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable_EDC5743550CBCED4EB6118BD323BC2EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of weighted average assumptions used in determining benefit obligations [Table] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable" xlink:label="loc_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsTable_EDC5743550CBCED4EB6118BD323BC2EB" xlink:type="locator"/>

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<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsLineItems_4315E0392E06E6B579B218BD323BF433_terseLabel_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsLineItems_4315E0392E06E6B579B218BD323BF433" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of weighted average assumptions used in determining benefit obligations [Line Items] </link:label>

<link:label id="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsLineItems_4315E0392E06E6B579B218BD323BF433_label_en-US" xlink:label="lab_gff_EMPLOYEEBENEFITPLANSDetailsScheduleofweightedaverageassumptionsusedindeterminingbenefitobligationsLineItems_4315E0392E06E6B579B218BD323BF433" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS (Details) - Schedule of weighted average assumptions used in determining benefit obligations [Line Items] </link:label>

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<link:label id="lab_srt_ProductsAndServicesDomain_321F9B6550A40C7B71B518D117957A90_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_321F9B6550A40C7B71B518D117957A90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>

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<link:label id="lab_us-gaap_ShippingAndHandlingMember_803D5AF79D5699D1AFAB18C87CC810BA_terseLabel_en-US" xlink:label="lab_us-gaap_ShippingAndHandlingMember_803D5AF79D5699D1AFAB18C87CC810BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shipping and Handling [Member] </link:label>

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<link:label id="lab_us-gaap_AdvertisingMember_A8C6945AC7FD5421BAFD18C8B5E6655D_terseLabel_en-US" xlink:label="lab_us-gaap_AdvertisingMember_A8C6945AC7FD5421BAFD18C8B5E6655D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advertising [Member] </link:label>

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<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_9682D6E64FE70223EAAE18C18780D601_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_9682D6E64FE70223EAAE18C18780D601" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>

<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_9682D6E64FE70223EAAE18C18780D601_label_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_9682D6E64FE70223EAAE18C18780D601" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>

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<link:label id="lab_us-gaap_TypeOfAdoptionMember_B2023F51A35577C7989018C1878044E1_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_B2023F51A35577C7989018C1878044E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>

<link:label id="lab_us-gaap_TypeOfAdoptionMember_B2023F51A35577C7989018C1878044E1_label_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_B2023F51A35577C7989018C1878044E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>

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<link:label id="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC_terseLabel_en-US" xlink:label="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-09, Statutory Tax Withholding Component [Member] </link:label>

<link:label id="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC_label_en-US" xlink:label="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] </link:label>

<link:label id="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC_documentation_en-US" xlink:label="lab_gff_AccountingStandardsUpdate201609ExcessTaxBenefitComponentMember_90924003DC1EAD11FF8F18C18780BBDC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] </link:label>

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<link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_E7C0EC506D387730DFC718C1878142DE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_E7C0EC506D387730DFC718C1878142DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>

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<link:label id="lab_gff_CanadianDollarForwardContractsMember_8B756054DF1E9295958C18C18781BF6A_terseLabel_en-US" xlink:label="lab_gff_CanadianDollarForwardContractsMember_8B756054DF1E9295958C18C18781BF6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canadian Dollar Forward Contracts [Member] </link:label>

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<link:label id="lab_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_52D504225B06E79AF72518C187865D09_terseLabel_en-US" xlink:label="lab_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_52D504225B06E79AF72518C187865D09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contracts accounted for under percentage of completion [Member] </link:label>

<link:label id="lab_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_52D504225B06E79AF72518C187865D09_label_en-US" xlink:label="lab_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_52D504225B06E79AF72518C187865D09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contracts Accounted for under Percentage of Completion [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember" xlink:label="loc_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_52D504225B06E79AF72518C187865D09" xlink:type="locator"/>

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<link:label id="lab_srt_MajorCustomersAxis_BF4B98536C5501C5CB5818C1878710A2_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis_BF4B98536C5501C5CB5818C1878710A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>

<link:label id="lab_srt_MajorCustomersAxis_BF4B98536C5501C5CB5818C1878710A2_label_en-US" xlink:label="lab_srt_MajorCustomersAxis_BF4B98536C5501C5CB5818C1878710A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_BF4B98536C5501C5CB5818C1878710A2" xlink:type="locator"/>

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<link:label id="lab_srt_NameOfMajorCustomerDomain_6430FF9D65F0EC4B15B818C1878722F6_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_6430FF9D65F0EC4B15B818C1878722F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>

<link:label id="lab_srt_NameOfMajorCustomerDomain_6430FF9D65F0EC4B15B818C1878722F6_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_6430FF9D65F0EC4B15B818C1878722F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_6430FF9D65F0EC4B15B818C1878722F6" xlink:type="locator"/>

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<link:label id="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591_terseLabel_en-US" xlink:label="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Government [Member] </link:label>

<link:label id="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591_label_en-US" xlink:label="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Us Government [Member] </link:label>

<link:label id="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591_documentation_en-US" xlink:label="lab_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> U.S. Government. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_UsGovernmentMember" xlink:label="loc_gff_UsGovernmentMember_772C46E5E29677C523F218C187876591" xlink:type="locator"/>

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<link:label id="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37_terseLabel_en-US" xlink:label="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Home Depot [Member] </link:label>

<link:label id="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37_label_en-US" xlink:label="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Home Depot [Member] </link:label>

<link:label id="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37_documentation_en-US" xlink:label="lab_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Home Depot. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_HomeDepotMember" xlink:label="loc_gff_HomeDepotMember_4885004BE80A5765692218C18787DB37" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherIncomeMember_CB94E03BA695C8C5686218C18788F98C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeMember_CB94E03BA695C8C5686218C18788F98C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Income [Member] </link:label>

<link:label id="lab_us-gaap_OtherIncomeMember_CB94E03BA695C8C5686218C18788F98C_label_en-US" xlink:label="lab_us-gaap_OtherIncomeMember_CB94E03BA695C8C5686218C18788F98C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Income [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="loc_us-gaap_OtherIncomeMember_CB94E03BA695C8C5686218C18788F98C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031C0E72022E36FDC3B18C1878979C2_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031C0E72022E36FDC3B18C1878979C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031C0E72022E36FDC3B18C1878979C2_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031C0E72022E36FDC3B18C1878979C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_E031C0E72022E36FDC3B18C1878979C2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_5D1340A133C9BC4C1B1218C187898A70_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_5D1340A133C9BC4C1B1218C187898A70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_5D1340A133C9BC4C1B1218C187898A70_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_5D1340A133C9BC4C1B1218C187898A70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_5D1340A133C9BC4C1B1218C187898A70" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_E8F988B8CCF3CDBB2E9918C187891676_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_E8F988B8CCF3CDBB2E9918C187891676" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Building and building improvements [Member] </link:label>

<link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_E8F988B8CCF3CDBB2E9918C187891676_label_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_E8F988B8CCF3CDBB2E9918C187891676" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building and Building Improvements [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_E8F988B8CCF3CDBB2E9918C187891676" xlink:type="locator"/>

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<link:label id="lab_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D_verboseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Machinery and equipment [Member] </link:label>

<link:label id="lab_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery and Equipment [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D" xlink:to="lab_us-gaap_MachineryAndEquipmentMember_01964E73BC4FA286F67318C187896F6D" xlink:type="arc"/>

<link:label id="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97_terseLabel_en-US" xlink:label="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Home and Building Products (HBP) [Member] </link:label>

<link:label id="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97_label_en-US" xlink:label="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Home and Building Products (HBP) [Member] </link:label>

<link:label id="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97_documentation_en-US" xlink:label="lab_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Home and Building Products (HBP) [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_HomeandBuildingProductsHBPMember" xlink:label="loc_gff_HomeandBuildingProductsHBPMember_069D9B74A4AE42A3399D18C1878A7B97" xlink:type="locator"/>

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<link:label id="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619_terseLabel_en-US" xlink:label="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] </link:label>

<link:label id="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619_label_en-US" xlink:label="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items] </link:label>

<link:label id="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619_documentation_en-US" xlink:label="lab_gff_DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetailsLineItems_98E6737E9E667A1D3BD818C1878A5619" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

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<link:label id="lab_us-gaap_NumberOfOperatingSegments_D3AC148F17C9D34E5C2618C1878A194D_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_D3AC148F17C9D34E5C2618C1878A194D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of operating segments </link:label>

<link:label id="lab_us-gaap_NumberOfOperatingSegments_D3AC148F17C9D34E5C2618C1878A194D_label_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_D3AC148F17C9D34E5C2618C1878A194D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Operating Segments </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_D3AC148F17C9D34E5C2618C1878A194D" xlink:type="locator"/>

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<link:label id="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914_terseLabel_en-US" xlink:label="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maturity period of highly liquid investments </link:label>

<link:label id="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914_label_en-US" xlink:label="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maturity Period Of Highly Liquid Investments </link:label>

<link:label id="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914_documentation_en-US" xlink:label="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maturity period of highly liquid investments. </link:label>

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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914" xlink:to="lab_gff_MaturityPeriodOfHighlyLiquidInvestments_B1CB08C22743C0B1B44018C1878BE914" xlink:type="arc"/>

<link:label id="lab_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Environmental exit costs, costs accrued to date </link:label>

<link:label id="lab_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8_label_en-US" xlink:label="lab_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Environmental Exit Costs, Costs Accrued to Date </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EnvironmentalExitCostsCostsAccruedToDate" xlink:label="loc_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8" xlink:to="lab_us-gaap_EnvironmentalExitCostsCostsAccruedToDate_3C663F12F78111D9B18218C1878B2BA8" xlink:type="arc"/>

<link:label id="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481_terseLabel_en-US" xlink:label="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash in non U.S. bank accounts </link:label>

<link:label id="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481_label_en-US" xlink:label="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash In Non Us Bank Accounts </link:label>

<link:label id="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481_documentation_en-US" xlink:label="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of cash in non-U.S bank accounts as of the reporting date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_CashInNonUsBankAccounts" xlink:label="loc_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:to="lab_gff_CashInNonUsBankAccounts_17A7D2840EC6DDD926F518C1878BD481" xlink:type="arc"/>

<link:label id="lab_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt, fair value </link:label>

<link:label id="lab_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0_label_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0" xlink:to="lab_us-gaap_LongTermDebtFairValue_251FC0E1E87069CD9AA318C1878BF1C0" xlink:type="arc"/>

<link:label id="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD_terseLabel_en-US" xlink:label="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of insurance contracts </link:label>

<link:label id="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD_label_en-US" xlink:label="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Of Insurance Contracts </link:label>

<link:label id="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD_documentation_en-US" xlink:label="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value of insurance contracts as of the balance sheet date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_FairValueOfInsuranceContracts" xlink:label="loc_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:to="lab_gff_FairValueOfInsuranceContracts_18937F559C34E2F9A55F18C1878B25AD" xlink:type="arc"/>

<link:label id="lab_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC_terseLabel_en-US" xlink:label="lab_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading securities </link:label>

<link:label id="lab_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC_label_en-US" xlink:label="lab_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Securities, Trading, and Equity Securities, FV-NI </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC" xlink:to="lab_us-gaap_TradingSecurities_173A99CDA615BBD862BD18C1878C12BC" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sale of trading securities </link:label>

<link:label id="lab_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment" xlink:label="loc_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495" xlink:to="lab_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_2FF158C913E2817D794218C1878CE495" xlink:type="arc"/>

<link:label id="lab_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0_terseLabel_en-US" xlink:label="lab_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading securities, realized loss </link:label>

<link:label id="lab_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0_label_en-US" xlink:label="lab_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Securities, Realized Loss </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecuritiesRealizedLoss" xlink:label="loc_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0" xlink:to="lab_us-gaap_TradingSecuritiesRealizedLoss_FD28FA36B1CCDB2DFECF18C1878CCCD0" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Contracts revenue </link:label>

<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer, Including Assessed Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_6B08F8B9F090E905E1D018C1878CB877" xlink:type="arc"/>

<link:label id="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58_terseLabel_en-US" xlink:label="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contracts weighted average rate price (in Dollars per share) </link:label>

<link:label id="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58_label_en-US" xlink:label="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contracts Weighted Average Rate Price </link:label>

<link:label id="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58_documentation_en-US" xlink:label="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Contracts weighted average rate price. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ContractsWeightedAverageRatePrice" xlink:label="loc_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:to="lab_gff_ContractsWeightedAverageRatePrice_C3CAB6FCE3CAECB64CBD18C1878CBF58" xlink:type="arc"/>

<link:label id="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9_terseLabel_en-US" xlink:label="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income (loss), foreign currency translation adjustment, before tax </link:label>

<link:label id="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9_label_en-US" xlink:label="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Before Tax </link:label>

<link:label id="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9_documentation_en-US" xlink:label="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Before Tax </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax" xlink:label="loc_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:to="lab_gff_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentBeforeTax_6DC3A617AAB290F0A7CB18C1878C1BA9" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive income (loss), foreign currency translation adjustment, net of tax </link:label>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EDBC6D487E2FEDCA696B18C1878D7CF1" xlink:type="arc"/>

<link:label id="lab_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain (loss) on hedging activity </link:label>

<link:label id="lab_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09_label_en-US" xlink:label="lab_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Hedging Activity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnOilAndGasHedgingActivity" xlink:label="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09" xlink:to="lab_us-gaap_GainLossOnOilAndGasHedgingActivity_EACD05CAB1750401CB4118C1878D3D09" xlink:type="arc"/>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency transaction gain (loss), realized </link:label>

<link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transaction Gain (Loss), Realized </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_AEE1E886770A45F76F6318C1878D7CF8" xlink:type="arc"/>

<link:label id="lab_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain (loss) on sale of derivatives </link:label>

<link:label id="lab_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Sale of Derivatives </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D" xlink:to="lab_us-gaap_GainLossOnSaleOfDerivatives_7E68B167E3089566D52718C1878D899D" xlink:type="arc"/>

<link:label id="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B_terseLabel_en-US" xlink:label="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency contracts duration </link:label>

<link:label id="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B_label_en-US" xlink:label="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Contracts Duration </link:label>

<link:label id="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B_documentation_en-US" xlink:label="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Time to expiration of outstanding foreign currency contracts. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ForeignCurrencyContractsDuration" xlink:label="loc_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:to="lab_gff_ForeignCurrencyContractsDuration_733E4CC14492C4AF567118C1878DBE8B" xlink:type="arc"/>

<link:label id="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D_terseLabel_en-US" xlink:label="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contracts expiration days </link:label>

<link:label id="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D_label_en-US" xlink:label="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contracts Expiration Days </link:label>

<link:label id="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D_documentation_en-US" xlink:label="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of day in contracts expire. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ContractsExpirationDays" xlink:label="loc_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:to="lab_gff_ContractsExpirationDays_9E284FACE7A767B84EA418C1878ED50D" xlink:type="arc"/>

<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_D454F61F813AFD521E1818C1878EF91D_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_D454F61F813AFD521E1818C1878EF91D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit plan, fair value of plan assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_D454F61F813AFD521E1818C1878EF91D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_D454F61F813AFD521E1818C1878EF91D" xlink:to="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_D454F61F813AFD521E1818C1878EF91D" xlink:type="arc"/>

<link:label id="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0_terseLabel_en-US" xlink:label="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract period </link:label>

<link:label id="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0_label_en-US" xlink:label="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract Period </link:label>

<link:label id="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0_documentation_en-US" xlink:label="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Contract period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ContractPeriod" xlink:label="loc_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:to="lab_gff_ContractPeriod_A8E8F13808C996A939D018C1878E41B0" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingIncomeLoss_ADBEBE8FC10E8D6F089F18C1878EF8E3_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_ADBEBE8FC10E8D6F089F18C1878EF8E3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) from operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_ADBEBE8FC10E8D6F089F18C1878EF8E3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_ADBEBE8FC10E8D6F089F18C1878EF8E3" xlink:to="lab_us-gaap_OperatingIncomeLoss_ADBEBE8FC10E8D6F089F18C1878EF8E3" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for loss on contracts </link:label>

<link:label id="lab_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8_label_en-US" xlink:label="lab_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Provision for Loss on Contracts </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProvisionForLossOnContracts" xlink:label="loc_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8" xlink:to="lab_us-gaap_ProvisionForLossOnContracts_22447D18190A1034CEBC18C1878ECFA8" xlink:type="arc"/>

<link:label id="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE_terseLabel_en-US" xlink:label="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of consolidated accounts receivable </link:label>

<link:label id="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE_label_en-US" xlink:label="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Percentage Of Consolidated Accounts Receivable </link:label>

<link:label id="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE_documentation_en-US" xlink:label="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of consolidated accounts receivable. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_PercentageOfConsolidatedAccountsReceivable" xlink:label="loc_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:to="lab_gff_PercentageOfConsolidatedAccountsReceivable_552C4FD740F0EC4E738C18C1878E7BFE" xlink:type="arc"/>

<link:label id="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C_terseLabel_en-US" xlink:label="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer program reserves and cash discounts netted against accounts receivable </link:label>

<link:label id="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C_label_en-US" xlink:label="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Program Reserves And Cash Discounts Netted Against Accounts Receivable </link:label>

<link:label id="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C_documentation_en-US" xlink:label="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of customer program reserves and cash discounts are netted against accounts receivable as of the reporting period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable" xlink:label="loc_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:to="lab_gff_CustomerProgramReservesAndCashDiscountsNettedAgainstAccountsReceivable_0CF4427792022BECD5A518C1878F8E7C" xlink:type="arc"/>

<link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA_verboseLabel_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Costs in excess of billings, noncurrent </link:label>

<link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA_label_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs in Excess of Billings, Noncurrent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA" xlink:to="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear_B72774B78CBA006E71B418C1878F14EA" xlink:type="arc"/>

<link:label id="lab_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729_terseLabel_en-US" xlink:label="lab_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unbilled contracts receivable </link:label>

<link:label id="lab_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729_label_en-US" xlink:label="lab_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unbilled Contracts Receivable </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:label="loc_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729" xlink:to="lab_us-gaap_UnbilledContractsReceivable_40213B8748540C536FD818C1878F4729" xlink:type="arc"/>

<link:label id="lab_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation, depletion and amortization, nonproduction </link:label>

<link:label id="lab_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization, Nonproduction </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198" xlink:to="lab_us-gaap_DepreciationAndAmortization_BF9899F63E495C227C9618C1878FF198" xlink:type="arc"/>

<link:label id="lab_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>

<link:label id="lab_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91_label_en-US" xlink:label="lab_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91" xlink:to="lab_us-gaap_Depreciation_726F77009870F73604D018C1878F0A91" xlink:type="arc"/>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, useful life </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F6E5BBB52F169DAC619318C187905C27" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated capitalized interest costs </link:label>

<link:label id="lab_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD_label_en-US" xlink:label="lab_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Capitalized Interest Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedCapitalizedInterestCosts" xlink:label="loc_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD" xlink:to="lab_us-gaap_AccumulatedCapitalizedInterestCosts_A27F08FD92EC86BD9A3118C18790CAAD" xlink:type="arc"/>

<link:label id="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34_terseLabel_en-US" xlink:label="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Original cost of fully depreciated property plant and equipment </link:label>

<link:label id="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34_label_en-US" xlink:label="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Original Cost Of Fully Depreciated Property Plant And Equipment </link:label>

<link:label id="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34_documentation_en-US" xlink:label="lab_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of original cost of fully depreciated property plant and equipment. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment" xlink:label="loc_gff_OriginalCostOfFullyDepreciatedPropertyPlantAndEquipment_F3669843AADB127B3F3C18C187902A34" xlink:type="locator"/>

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<link:label id="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80_terseLabel_en-US" xlink:label="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of components </link:label>

<link:label id="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80_label_en-US" xlink:label="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Components </link:label>

<link:label id="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80_documentation_en-US" xlink:label="lab_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number Of Components </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NumberOfComponents" xlink:label="loc_gff_NumberOfComponents_115D9657B42D6F07BDDA18C187907D80" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NumberOfReportingUnits_79AB7B6964F147C09AA618C18790675F_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportingUnits_79AB7B6964F147C09AA618C18790675F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of reporting units </link:label>

<link:label id="lab_us-gaap_NumberOfReportingUnits_79AB7B6964F147C09AA618C18790675F_label_en-US" xlink:label="lab_us-gaap_NumberOfReportingUnits_79AB7B6964F147C09AA618C18790675F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Reporting Units </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportingUnits" xlink:label="loc_us-gaap_NumberOfReportingUnits_79AB7B6964F147C09AA618C18790675F" xlink:type="locator"/>

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<link:label id="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E_terseLabel_en-US" xlink:label="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Description of fair value calculation </link:label>

<link:label id="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E_label_en-US" xlink:label="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Description Of Fair Value Calculation </link:label>

<link:label id="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E_documentation_en-US" xlink:label="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Description of fair value calculation. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DescriptionOfFairValueCalculation" xlink:label="loc_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:to="lab_gff_DescriptionOfFairValueCalculation_661442A002C1B9D6B26D18C18790E13E" xlink:type="arc"/>

<link:label id="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C_terseLabel_en-US" xlink:label="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value projections </link:label>

<link:label id="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C_label_en-US" xlink:label="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Projections </link:label>

<link:label id="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C_documentation_en-US" xlink:label="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value projections. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_FairValueProjections" xlink:label="loc_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:to="lab_gff_FairValueProjections_B4D0395734A47E1BEC4C18C18790D65C" xlink:type="arc"/>

<link:label id="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43_terseLabel_en-US" xlink:label="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value terminal value </link:label>

<link:label id="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43_label_en-US" xlink:label="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Terminal Value </link:label>

<link:label id="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43_documentation_en-US" xlink:label="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value terminal value. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_FairValueTerminalValue" xlink:label="loc_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:to="lab_gff_FairValueTerminalValue_F44C43A707EBE884E20018C187917E43" xlink:type="arc"/>

<link:label id="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C_terseLabel_en-US" xlink:label="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value discount rates </link:label>

<link:label id="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C_label_en-US" xlink:label="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Discount Rates </link:label>

<link:label id="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C_documentation_en-US" xlink:label="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value discount rates. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_FairValueDiscountRates" xlink:label="loc_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:to="lab_gff_FairValueDiscountRates_1DE84CCFA2FF19748B6218C187914E9C" xlink:type="arc"/>

<link:label id="lab_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill, impairment loss </link:label>

<link:label id="lab_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Impairment Loss </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD" xlink:to="lab_us-gaap_GoodwillImpairmentLoss_EDDEC7922E800B2A3CD018C18791F7BD" xlink:type="arc"/>

<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7AF0328C8CE3F715C5F418C187911C7B_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7AF0328C8CE3F715C5F418C187911C7B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Finite-lived intangible asset, useful life </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7AF0328C8CE3F715C5F418C187911C7B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7AF0328C8CE3F715C5F418C187911C7B" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7AF0328C8CE3F715C5F418C187911C7B" xlink:type="arc"/>

<link:label id="lab_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrecognized tax benefits </link:label>

<link:label id="lab_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6" xlink:to="lab_us-gaap_UnrecognizedTaxBenefits_B05A80AE699D5A21318218C18791B3F6" xlink:type="arc"/>

<link:label id="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development arrangement, contract to perform for others, costs incurred, gross </link:label>

<link:label id="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross" xlink:label="loc_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3" xlink:to="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCostsIncurredGross_93D901E8FDA605DC720E18C1879276D3" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_217627EBC1EE30AA1F5618C1879280B4_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_217627EBC1EE30AA1F5618C1879280B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_217627EBC1EE30AA1F5618C1879280B4_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_217627EBC1EE30AA1F5618C1879280B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_217627EBC1EE30AA1F5618C1879280B4" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_3C9B1F4D4A16028D415618C187922731_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_3C9B1F4D4A16028D415618C187922731" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in financing activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_3C9B1F4D4A16028D415618C187922731_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_3C9B1F4D4A16028D415618C187922731" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3C9B1F4D4A16028D415618C187922731" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative expenses </link:label>

<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense_9543F192FA817B4CADBD18C9A18D4F26" xlink:type="arc"/>

<link:label id="lab_gff_WARRANTYLIABILITYDetailsTable_CE374AEC68A5F05B2DB818BD31615D67_terseLabel_en-US" xlink:label="lab_gff_WARRANTYLIABILITYDetailsTable_CE374AEC68A5F05B2DB818BD31615D67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> WARRANTY LIABILITY (Details) [Table] </link:label>

<link:label id="lab_gff_WARRANTYLIABILITYDetailsTable_CE374AEC68A5F05B2DB818BD31615D67_label_en-US" xlink:label="lab_gff_WARRANTYLIABILITYDetailsTable_CE374AEC68A5F05B2DB818BD31615D67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> WARRANTY LIABILITY (Details) [Table] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_WARRANTYLIABILITYDetailsTable" xlink:label="loc_gff_WARRANTYLIABILITYDetailsTable_CE374AEC68A5F05B2DB818BD31615D67" xlink:type="locator"/>

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<link:label id="lab_gff_ClopayPlasticProductsCompanyInc.Member_19167EEDD3AA17E5F35118BD3161B6CB_terseLabel_en-US" xlink:label="lab_gff_ClopayPlasticProductsCompanyInc.Member_19167EEDD3AA17E5F35118BD3161B6CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Clopay Plastic Products Company Inc. [Member] </link:label>

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<link:label id="lab_us-gaap_DebtDisclosureAbstract_AF8FCBA12B242297E99618BD2F76BAB0_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_AF8FCBA12B242297E99618BD2F76BAB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Abstract] </link:label>

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<link:label id="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420_terseLabel_en-US" xlink:label="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior notes due 2018 [Member] </link:label>

<link:label id="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420_label_en-US" xlink:label="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes 2018 [Member] </link:label>

<link:label id="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420_documentation_en-US" xlink:label="lab_gff_SeniorNotes2018Member_B031F07216C0E9204B8B18BD2F76E420" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Senior Notes 2018 Member. </link:label>

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<link:label id="lab_gff_RevolverDue2018Member_A5F9629E99EB7E1E0EE918BD2F76E1D9_terseLabel_en-US" xlink:label="lab_gff_RevolverDue2018Member_A5F9629E99EB7E1E0EE918BD2F76E1D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolver due 2018 [Member] </link:label>

<link:label id="lab_gff_RevolverDue2018Member_A5F9629E99EB7E1E0EE918BD2F76E1D9_label_en-US" xlink:label="lab_gff_RevolverDue2018Member_A5F9629E99EB7E1E0EE918BD2F76E1D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolver Due 2018 [Member] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_RevolverDue2018Member" xlink:label="loc_gff_RevolverDue2018Member_A5F9629E99EB7E1E0EE918BD2F76E1D9" xlink:type="locator"/>

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<link:label id="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B_terseLabel_en-US" xlink:label="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convert. debt due 2017 [Member] </link:label>

<link:label id="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B_label_en-US" xlink:label="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Debt 2017 [Member] </link:label>

<link:label id="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B_documentation_en-US" xlink:label="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_ConvertibleDebt2017Member" xlink:label="loc_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:to="lab_gff_ConvertibleDebt2017Member_F1A95BAC01CB514D370F18BD2F76C13B" xlink:type="arc"/>

<link:label id="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525_terseLabel_en-US" xlink:label="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Real estate mortgages [Member] </link:label>

<link:label id="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525_label_en-US" xlink:label="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Real Estate Mortgages Loan [Member] </link:label>

<link:label id="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525_documentation_en-US" xlink:label="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_RealEstateMortgagesLoanMember" xlink:label="loc_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:to="lab_gff_RealEstateMortgagesLoanMember_C9A7582C7D23D650992D18BD2F76F525" xlink:type="arc"/>

<link:label id="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF_terseLabel_en-US" xlink:label="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ESOP Loans [Member] </link:label>

<link:label id="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF_label_en-US" xlink:label="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan Loan [Member] </link:label>

<link:label id="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF_documentation_en-US" xlink:label="lab_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_EmployeeStockOwnershipPlanLoanMember" xlink:label="loc_gff_EmployeeStockOwnershipPlanLoanMember_7F93F17FD4522D6E84C418BD2F768EFF" xlink:type="locator"/>

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<link:label id="lab_us-gaap_CapitalLeaseObligationsMember_BA4E290A1A2CBD3861B718BD2F7688F6_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsMember_BA4E290A1A2CBD3861B718BD2F7688F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease - real estate [Member] </link:label>

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<link:label id="lab_gff_RevolverDue2013Member_06D686B370B71AA2119F18BD2F764EEC_terseLabel_en-US" xlink:label="lab_gff_RevolverDue2013Member_06D686B370B71AA2119F18BD2F764EEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolver due 2013 [Member] </link:label>

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<link:label id="lab_us-gaap_ForeignLineOfCreditMember_CE2078ED019E760A230318BD2F76B1AB_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignLineOfCreditMember_CE2078ED019E760A230318BD2F76B1AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non U.S. lines of credit [Member] </link:label>

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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignLineOfCreditMember_CE2078ED019E760A230318BD2F76B1AB" xlink:to="lab_us-gaap_ForeignLineOfCreditMember_CE2078ED019E760A230318BD2F76B1AB" xlink:type="arc"/>

<link:label id="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC_terseLabel_en-US" xlink:label="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non U.S. term loans [Member] </link:label>

<link:label id="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC_label_en-US" xlink:label="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Term Loan [Member] </link:label>

<link:label id="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC_documentation_en-US" xlink:label="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_ForeignTermLoanMember" xlink:label="loc_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:to="lab_gff_ForeignTermLoanMember_A411F9D0110815D0FC1C18BD2F769CFC" xlink:type="arc"/>

<link:label id="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093_terseLabel_en-US" xlink:label="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other long term debt [Member] </link:label>

<link:label id="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093_label_en-US" xlink:label="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Long Term Debt [Member] </link:label>

<link:label id="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093_documentation_en-US" xlink:label="lab_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_OtherLongTermDebtMember" xlink:label="loc_gff_OtherLongTermDebtMember_388D252BB31569EE015818BD2F76C093" xlink:type="locator"/>

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<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0_terseLabel_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0_label_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0_documentation_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems" xlink:label="loc_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofInterestExpenseIncurredLineItems_8F88CE87B093D4799D6318BD2F76E2C0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_E4791184BDA61A693E2518BD2F761F2D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_E4791184BDA61A693E2518BD2F761F2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective Interest Rate </link:label>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_E4791184BDA61A693E2518BD2F761F2D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_E4791184BDA61A693E2518BD2F761F2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate During Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_E4791184BDA61A693E2518BD2F761F2D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestPaid_ECEF562525D5D71D45FC18BD2F76A313_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_ECEF562525D5D71D45FC18BD2F76A313" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Interest </link:label>

<link:label id="lab_us-gaap_InterestPaid_ECEF562525D5D71D45FC18BD2F76A313_label_en-US" xlink:label="lab_us-gaap_InterestPaid_ECEF562525D5D71D45FC18BD2F76A313" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Including Capitalized Interest, Operating and Investing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_ECEF562525D5D71D45FC18BD2F76A313" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_DBA2D316A04CB687F95A18BD2F762054_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_DBA2D316A04CB687F95A18BD2F762054" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amort. Debt Discount </link:label>

<link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_DBA2D316A04CB687F95A18BD2F762054_label_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_DBA2D316A04CB687F95A18BD2F762054" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Discount (Premium) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_DBA2D316A04CB687F95A18BD2F762054" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_92A2125BDB7079DF963A18BD2F76A003_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_92A2125BDB7079DF963A18BD2F76A003" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Amort. Deferred Cost & Other Fees </link:label>

<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_92A2125BDB7079DF963A18BD2F76A003_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_92A2125BDB7079DF963A18BD2F76A003" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_92A2125BDB7079DF963A18BD2F76A003" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total Interest Expense </link:label>

<link:label id="lab_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense, Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425" xlink:to="lab_us-gaap_InterestExpenseDebt_014AA093111E29532B3018BD2F763425" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_BE249287FE9D2DC89FE318BD320C9757_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_BE249287FE9D2DC89FE318BD320C9757" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Lease Payments for Capital Leases </link:label>

<link:label id="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_BE249287FE9D2DC89FE318BD320C9757_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_BE249287FE9D2DC89FE318BD320C9757" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_BE249287FE9D2DC89FE318BD320C9757" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_51DB96616D593288853718BD320C8823_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_51DB96616D593288853718BD320C8823" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Debt </link:label>

<link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_51DB96616D593288853718BD320C8823_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock_51DB96616D593288853718BD320C8823" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Debt [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtTableTextBlock_51DB96616D593288853718BD320C8823" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_1BC84C70F0ECD34E977618BD3142B926_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_1BC84C70F0ECD34E977618BD3142B926" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_1BC84C70F0ECD34E977618BD3142B926_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaRevenue_1BC84C70F0ECD34E977618BD3142B926" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Revenue </link:label>

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<link:label id="lab_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_90D03942D2056AA6510D18BD3142FE8A_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_90D03942D2056AA6510D18BD3142FE8A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_90D03942D2056AA6510D18BD3142FE8A_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax_90D03942D2056AA6510D18BD3142FE8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax </link:label>

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<link:label id="lab_us-gaap_StockholdersEquityNoteAbstract_B846C29A71C0872B27CE18BD31909144_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteAbstract_B846C29A71C0872B27CE18BD31909144" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Note [Abstract] </link:label>

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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9E8C5E7E4DF79D11BC9B18BD319095F9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9E8C5E7E4DF79D11BC9B18BD319095F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9E8C5E7E4DF79D11BC9B18BD319095F9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9E8C5E7E4DF79D11BC9B18BD319095F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] </link:label>

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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding (in Shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CD8C3F474D3D0A1D1A118BD3190ED47" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_B84529D8C54C9A7E655B18BD319039D0_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_B84529D8C54C9A7E655B18BD319039D0" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding (in Shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_B84529D8C54C9A7E655B18BD319039D0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_B84529D8C54C9A7E655B18BD319039D0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_B84529D8C54C9A7E655B18BD319039D0" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Exercise Price </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_779150A6F852571B8F4A18BD31902E3B" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_CD1734E5B6F2B35B38C318BD3190DC0D" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C7574C876DA7369AD62118BD3190C465_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C7574C876DA7369AD62118BD3190C465" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding (in Dollars per share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C7574C876DA7369AD62118BD3190C465" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C7574C876DA7369AD62118BD3190C465" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C7574C876DA7369AD62118BD3190C465" xlink:type="arc"/>

<link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_9FF11486B21EF4FDC81C18BD2F98394D_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_9FF11486B21EF4FDC81C18BD2F98394D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ACQUISITIONS </link:label>

<link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_9FF11486B21EF4FDC81C18BD2F98394D_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_9FF11486B21EF4FDC81C18BD2F98394D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_9FF11486B21EF4FDC81C18BD2F98394D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_BAFF783121EB4C6E07E51E48F0E488C2_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_BAFF783121EB4C6E07E51E48F0E488C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_BAFF783121EB4C6E07E51E48F0E488C2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_BAFF783121EB4C6E07E51E48F0E488C2" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_BAFF783121EB4C6E07E51E48F0E488C2" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_E5B2EB2829206787986C1E48F0E4ABD3_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_E5B2EB2829206787986C1E48F0E4ABD3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net of allowances of $6,408 and $5,966 </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_E5B2EB2829206787986C1E48F0E4ABD3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_E5B2EB2829206787986C1E48F0E4ABD3" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_E5B2EB2829206787986C1E48F0E4ABD3" xlink:type="arc"/>

<link:label id="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_4ACF16AB6A5D3142BAA51E48F0E416D0_verboseLabel_en-US" xlink:label="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_4ACF16AB6A5D3142BAA51E48F0E416D0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Contract costs and recognized income not yet billed, net of progress payments of $3,172 and $4,407 </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear" xlink:label="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_4ACF16AB6A5D3142BAA51E48F0E416D0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_4ACF16AB6A5D3142BAA51E48F0E416D0" xlink:to="lab_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear_4ACF16AB6A5D3142BAA51E48F0E416D0" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccountsPayableCurrent_32BC3DC0FF702646DBF21E48F0E85261_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_32BC3DC0FF702646DBF21E48F0E85261" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>

<link:label id="lab_us-gaap_AccountsPayableCurrent_32BC3DC0FF702646DBF21E48F0E85261_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_32BC3DC0FF702646DBF21E48F0E85261" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_32BC3DC0FF702646DBF21E48F0E85261" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_A5917DD0B0ECDE297D6D1E48F0E8A706_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_A5917DD0B0ECDE297D6D1E48F0E8A706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_A5917DD0B0ECDE297D6D1E48F0E8A706" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_8D1A47A8B0C1374AC2601E48F0E8E4AA_netLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_8D1A47A8B0C1374AC2601E48F0E8E4AA" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> LONG-TERM DEBT, net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_8D1A47A8B0C1374AC2601E48F0E8E4AA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_8D1A47A8B0C1374AC2601E48F0E8E4AA" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_8D1A47A8B0C1374AC2601E48F0E8E4AA" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommitmentsAndContingencies_19499896B1B96DE47F6F1E48F0E8617A_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_19499896B1B96DE47F6F1E48F0E8617A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> COMMITMENTS AND CONTINGENCIES - See Note 13 </link:label>

<link:label id="lab_us-gaap_CommitmentsAndContingencies_19499896B1B96DE47F6F1E48F0E8617A_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_19499896B1B96DE47F6F1E48F0E8617A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_19499896B1B96DE47F6F1E48F0E8617A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StockholdersEquityAbstract_F004CEB0BDB554D8DFCB1E48F0E8538C_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_F004CEB0BDB554D8DFCB1E48F0E8538C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SHAREHOLDERS’ EQUITY </link:label>

<link:label id="lab_us-gaap_StockholdersEquityAbstract_F004CEB0BDB554D8DFCB1E48F0E8538C_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_F004CEB0BDB554D8DFCB1E48F0E8538C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_F004CEB0BDB554D8DFCB1E48F0E8538C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value $0.25 per share, authorized 3,000 shares, no shares issued </link:label>

<link:label id="lab_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C" xlink:to="lab_us-gaap_PreferredStockValue_EDAA6DC6C5FE6B236AB51E48F0E82F1C" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockValue_D9F4E5ECBD977BDD41BE1E48F0E888CE_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_D9F4E5ECBD977BDD41BE1E48F0E888CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value $0.25 per share, authorized 85,000 shares, issued shares of 81,520 and 80,663, respectively. </link:label>

<link:label id="lab_us-gaap_CommonStockValue_D9F4E5ECBD977BDD41BE1E48F0E888CE_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_D9F4E5ECBD977BDD41BE1E48F0E888CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>

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<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_10070C59276E1209EE081E48F0E83A7B_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_10070C59276E1209EE081E48F0E83A7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital, Common Stock </link:label>

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<link:label id="lab_us-gaap_DeferredCompensationEquity_B9F14468F10FBAF172D11E48F0E8AC73_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationEquity_B9F14468F10FBAF172D11E48F0E8AC73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Compensation Equity </link:label>

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<link:label id="lab_gff_REPORTABLESEGMENTSDetailsScheduleofsummaryofsegmentassetsLineItems_805ABCB49B1EF68B98D218BD2F38041F_terseLabel_en-US" xlink:label="lab_gff_REPORTABLESEGMENTSDetailsScheduleofsummaryofsegmentassetsLineItems_805ABCB49B1EF68B98D218BD2F38041F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> REPORTABLE SEGMENTS (Details) - Schedule of summary of segment assets [Line Items] </link:label>

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<link:label id="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76_terseLabel_en-US" xlink:label="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Continuing assets </link:label>

<link:label id="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76_label_en-US" xlink:label="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Continuing Assets </link:label>

<link:label id="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76_documentation_en-US" xlink:label="lab_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying amount of continuing assets which are attributed to the reportable segment. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AssetsOfContinuingOperations" xlink:label="loc_gff_AssetsOfContinuingOperations_D4F889C7796E9D82E82E18BD2F382A76" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_3DCC38971848A50CD83D18BD2F386D20_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_3DCC38971848A50CD83D18BD2F386D20" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Assets of discontinued operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_3DCC38971848A50CD83D18BD2F386D20" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F7D965321EB93CF71BBD18BD2F76FE2E_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F7D965321EB93CF71BBD18BD2F76FE2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net allowances </link:label>

<link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F7D965321EB93CF71BBD18BD2F76FE2E_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F7D965321EB93CF71BBD18BD2F76FE2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance for Doubtful Accounts Receivable, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_F7D965321EB93CF71BBD18BD2F76FE2E" xlink:type="locator"/>

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<link:label id="lab_us-gaap_CustomerAdvancesAndProgressPaymentsForLongTermContractsOrPrograms_6159F72D1DE8D6CC716018BD2F767753_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerAdvancesAndProgressPaymentsForLongTermContractsOrPrograms_6159F72D1DE8D6CC716018BD2F767753" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract costs, net of progress payments </link:label>

<link:label id="lab_us-gaap_CustomerAdvancesAndProgressPaymentsForLongTermContractsOrPrograms_6159F72D1DE8D6CC716018BD2F767753_label_en-US" xlink:label="lab_us-gaap_CustomerAdvancesAndProgressPaymentsForLongTermContractsOrPrograms_6159F72D1DE8D6CC716018BD2F767753" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Advances and Progress Payments for Long-term Contracts or Programs </link:label>

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<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_8731F9B9463D9890335218BD2F7683EB_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_8731F9B9463D9890335218BD2F7683EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value (in Dollars per share) </link:label>

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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_92DEEA6941758A5AA67318BD2FE23EC1_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_92DEEA6941758A5AA67318BD2FE23EC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Gross </link:label>

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<link:label id="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_D860C0FC32EBB450993118BD2F1915BE_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationAndEmployeeBenefitPlansTextBlock_D860C0FC32EBB450993118BD2F1915BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> EMPLOYEE BENEFIT PLANS </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherCurrentAndNoncurrentAssets_EBA08F0D94272505CB3C18BD31510857_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherCurrentAndNoncurrentAssets_EBA08F0D94272505CB3C18BD31510857" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current and non-current assets </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAssetsIncludingGoodwill_8849ADAFFBBB4F2D898D18BD31511692_totalLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAssetsIncludingGoodwill_8849ADAFFBBB4F2D898D18BD31511692" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets acquired </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAssetsIncludingGoodwill_8849ADAFFBBB4F2D898D18BD31511692_label_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAssetsIncludingGoodwill_8849ADAFFBBB4F2D898D18BD31511692" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Including Goodwill </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLiabilitiesAccountsPayableAndAccruedLiabilities_5DFB0EF641C2B2CF6A9218BD31518EF9_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLiabilitiesAccountsPayableAndAccruedLiabilities_5DFB0EF641C2B2CF6A9218BD31518EF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLiabilitiesAccountsPayableAndAccruedLiabilities_5DFB0EF641C2B2CF6A9218BD31518EF9_label_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLiabilitiesAccountsPayableAndAccruedLiabilities_5DFB0EF641C2B2CF6A9218BD31518EF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Accounts Payable And Accrued Liabilities </link:label>

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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_F95D58C65D7E9823EB3418BD3151536A_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_F95D58C65D7E9823EB3418BD3151536A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term liabilities </link:label>

<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_F95D58C65D7E9823EB3418BD3151536A_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_F95D58C65D7E9823EB3418BD3151536A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt </link:label>

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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_7E09E6854DDA0801EC0C18BD315193AC_totalLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_7E09E6854DDA0801EC0C18BD315193AC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities assumed </link:label>

<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_7E09E6854DDA0801EC0C18BD315193AC_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_7E09E6854DDA0801EC0C18BD315193AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_7E09E6854DDA0801EC0C18BD315193AC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_AEC45FE99FE3FFCBA56218BD3151C578_totalLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_AEC45FE99FE3FFCBA56218BD3151C578" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_AEC45FE99FE3FFCBA56218BD3151C578_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_AEC45FE99FE3FFCBA56218BD3151C578" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivables gross </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A_label_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Gross </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A_documentation_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsReceivablesGross_68B1BFC3A6B1BE2D30E218BD3151A71A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Gross </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for accounts receivable </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097_label_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Allowance For Accounts Receivable </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097_documentation_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAllowanceForAccountsReceivable_76DFB11EE0B1E8813D5218BD3151C097" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Allowance For Accounts Receivable </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryGross_9F7463855D7CC7F89B0F18BD315153C4_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryGross_9F7463855D7CC7F89B0F18BD315153C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory, gross </link:label>

<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryGross_9F7463855D7CC7F89B0F18BD315153C4_label_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryGross_9F7463855D7CC7F89B0F18BD315153C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory, Gross </link:label>

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<link:label id="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryValuationReserves_546C2488C1EA7E1FBC3218BD3151BC5C_terseLabel_en-US" xlink:label="lab_gff_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInventoryValuationReserves_546C2488C1EA7E1FBC3218BD3151BC5C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory valuation reserves </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_6D1206106FF70400703018BD3104591A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_6D1206106FF70400703018BD3104591A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_6D1206106FF70400703018BD3104591A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_6D1206106FF70400703018BD3104591A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Revenue </link:label>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_8DA9E560E004F65F035318BD3104D697_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_8DA9E560E004F65F035318BD3104D697" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of goods and services </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_8DA9E560E004F65F035318BD3104D697_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_8DA9E560E004F65F035318BD3104D697" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Costs of Goods Sold </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_8DA9E560E004F65F035318BD3104D697" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_CF21F6DAB0490CEFC0C018BD3104FF4C_totalLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_CF21F6DAB0490CEFC0C018BD3104FF4C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_CF21F6DAB0490CEFC0C018BD3104FF4C_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_CF21F6DAB0490CEFC0C018BD3104FF4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Gross Profit (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_CF21F6DAB0490CEFC0C018BD3104FF4C" xlink:type="locator"/>

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<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67_terseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative expenses </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Selling, General and Administrative Expense </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationSellingGeneralandAdministrativeExpense_1AA281DDF293D9FF886D18BD31051D67" xlink:type="locator"/>

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<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5_terseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring charges </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Restructuring Charges </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Restructuring Charges </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges_EB7A8E856D71CFC80C4618BD3105D3D5" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A_totalLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_BC62FF1CFF2D0E0D346718BD3105BD3A" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C_totalLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Operating Income (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_B88293E54A190FEB3E9918BD3105739C" xlink:type="arc"/>

<link:label id="lab_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain on sale of business </link:label>

<link:label id="lab_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Business </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B" xlink:to="lab_us-gaap_GainLossOnSaleOfBusiness_3916A32406ABD7605ADB18BD31062C9B" xlink:type="arc"/>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_560A67C154611A9B1B8818BD31065533_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_560A67C154611A9B1B8818BD31065533" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_560A67C154611A9B1B8818BD31065533_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_560A67C154611A9B1B8818BD31065533" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Interest Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_560A67C154611A9B1B8818BD31065533" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>

<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Income </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_C9223DE4A1B328358FC818BD31068EE0" xlink:type="arc"/>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18_totalLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other income (expense) </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Income (Loss), net </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Income (Loss), net </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:to="lab_gff_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLossnet_464622E5394A287AB44A18BD3106BB18" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) from discontinued operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_8884DA7B3B6C2A1759D518BD31064058" xlink:type="arc"/>

<link:label id="lab_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Contingency [Table] </link:label>

<link:label id="lab_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D_label_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Contingency [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D" xlink:to="lab_us-gaap_IncomeTaxContingencyTable_EF3F165B1D058DB121CD18BD3015CC2D" xlink:type="arc"/>

<link:label id="lab_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>

<link:label id="lab_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_12A219AF71BDA27F101E18BD301580B2" xlink:type="arc"/>

<link:label id="lab_us-gaap_BalanceSheetLocationDomain_722AD8D1D3532390ED2818BD30151355_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_722AD8D1D3532390ED2818BD30151355" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>

<link:label id="lab_us-gaap_BalanceSheetLocationDomain_722AD8D1D3532390ED2818BD30151355_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_722AD8D1D3532390ED2818BD30151355" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>

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<link:label id="lab_dei_EntityShellCompany_5E15B6AB5413E79C5A811E9E7AE52834_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany_5E15B6AB5413E79C5A811E9E7AE52834" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label>

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<link:label id="lab_gff_TroyOhioMember_692C46C6E6301DE9BBBB18BD30C1F10C_terseLabel_en-US" xlink:label="lab_gff_TroyOhioMember_692C46C6E6301DE9BBBB18BD30C1F10C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Troy, Ohio [Member] </link:label>

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<link:label id="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232_terseLabel_en-US" xlink:label="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ocala, Florida [Member] </link:label>

<link:label id="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232_label_en-US" xlink:label="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ocala, Florida [Member] </link:label>

<link:label id="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232_documentation_en-US" xlink:label="lab_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Ocala, Florida [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_OcalaFloridaMember" xlink:label="loc_gff_OcalaFloridaMember_83B91EA34127A1171EF518BD30C1E232" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DividendsAxis_F1B95000134ED5CD57C418BD30C1FF56_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsAxis_F1B95000134ED5CD57C418BD30C1FF56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends [Axis] </link:label>

<link:label id="lab_us-gaap_DividendsAxis_F1B95000134ED5CD57C418BD30C1FF56_label_en-US" xlink:label="lab_us-gaap_DividendsAxis_F1B95000134ED5CD57C418BD30C1FF56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsAxis" xlink:label="loc_us-gaap_DividendsAxis_F1B95000134ED5CD57C418BD30C1FF56" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DividendsDomain_F14E48E465099DFCDCBA18BD30C12699_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsDomain_F14E48E465099DFCDCBA18BD30C12699" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends [Domain] </link:label>

<link:label id="lab_us-gaap_DividendsDomain_F14E48E465099DFCDCBA18BD30C12699_label_en-US" xlink:label="lab_us-gaap_DividendsDomain_F14E48E465099DFCDCBA18BD30C12699" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsDomain" xlink:label="loc_us-gaap_DividendsDomain_F14E48E465099DFCDCBA18BD30C12699" xlink:type="locator"/>

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<link:label id="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9_terseLabel_en-US" xlink:label="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Special Dividends [Member] </link:label>

<link:label id="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9_label_en-US" xlink:label="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Special Dividends [Member] </link:label>

<link:label id="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9_documentation_en-US" xlink:label="lab_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Special Dividends [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SpecialDividendsMember" xlink:label="loc_gff_SpecialDividendsMember_2DDEA1E1ECF8DC18026718BD30C111B9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_VariableRateAxis_54E0AE7F38C009A3686218BD30C103AB_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_54E0AE7F38C009A3686218BD30C103AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>

<link:label id="lab_us-gaap_VariableRateAxis_54E0AE7F38C009A3686218BD30C103AB_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_54E0AE7F38C009A3686218BD30C103AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_54E0AE7F38C009A3686218BD30C103AB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_VariableRateDomain_FD71936D69F5B188782318BD30C1FD1C_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_FD71936D69F5B188782318BD30C1FD1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>

<link:label id="lab_us-gaap_VariableRateDomain_FD71936D69F5B188782318BD30C1FD1C_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_FD71936D69F5B188782318BD30C1FD1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_FD71936D69F5B188782318BD30C1FD1C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_D3955F15737D5AF3156E18BD30C10C3A_terseLabel_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_D3955F15737D5AF3156E18BD30C10C3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_D3955F15737D5AF3156E18BD30C10C3A_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_D3955F15737D5AF3156E18BD30C10C3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_D3955F15737D5AF3156E18BD30C10C3A" xlink:type="locator"/>

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<link:label id="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083_terseLabel_en-US" xlink:label="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Bank Bill Swap Bid Rate [Member] </link:label>

<link:label id="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083_label_en-US" xlink:label="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Bank Bill Swap Bid Rate [Member] </link:label>

<link:label id="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083_documentation_en-US" xlink:label="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Bank Bill Swap Bid Rate [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_BankBillSwapBidRateMember" xlink:label="loc_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:to="lab_gff_BankBillSwapBidRateMember_FA2527F92A9EAF63146018BD30C1E083" xlink:type="arc"/>

<link:label id="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7_terseLabel_en-US" xlink:label="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sterling Base Rate [Member] </link:label>

<link:label id="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7_label_en-US" xlink:label="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sterling Base Rate [Member] </link:label>

<link:label id="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7_documentation_en-US" xlink:label="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Sterling Base Rate [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SterlingBaseRateMember" xlink:label="loc_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:to="lab_gff_SterlingBaseRateMember_0C457996287F126189D818BD30C192B7" xlink:type="arc"/>

<link:label id="lab_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Secured Debt [Member] </link:label>

<link:label id="lab_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Secured Debt [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26" xlink:to="lab_us-gaap_SecuredDebtMember_AE3CD75E647971D370A518BD30C19B26" xlink:type="arc"/>

<link:label id="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C_terseLabel_en-US" xlink:label="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Notes 2017 [Member] </link:label>

<link:label id="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C_label_en-US" xlink:label="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Notes 2017 [Member] </link:label>

<link:label id="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C_documentation_en-US" xlink:label="lab_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_ConvertibleNotes2017Member" xlink:label="loc_gff_ConvertibleNotes2017Member_D2EE9680CFBCE47A99C618BD30C15E7C" xlink:type="locator"/>

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<link:label id="lab_gff_RevolverDue2019Member_FD6DAB7E33C2CFE1F9F118BD30C14130_terseLabel_en-US" xlink:label="lab_gff_RevolverDue2019Member_FD6DAB7E33C2CFE1F9F118BD30C14130" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolver due 2019 [Member] </link:label>

<link:label id="lab_gff_RevolverDue2019Member_FD6DAB7E33C2CFE1F9F118BD30C14130_label_en-US" xlink:label="lab_gff_RevolverDue2019Member_FD6DAB7E33C2CFE1F9F118BD30C14130" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolver Due 2019 [Member] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_RevolverDue2019Member" xlink:label="loc_gff_RevolverDue2019Member_FD6DAB7E33C2CFE1F9F118BD30C14130" xlink:type="locator"/>

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<link:label id="lab_us-gaap_MediumTermNotesMember_3107054A5FE51D3A2C7418BD30C16D80_terseLabel_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_3107054A5FE51D3A2C7418BD30C16D80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Medium-term Notes [Member] </link:label>

<link:label id="lab_us-gaap_MediumTermNotesMember_3107054A5FE51D3A2C7418BD30C16D80_label_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_3107054A5FE51D3A2C7418BD30C16D80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Medium-term Notes [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MediumTermNotesMember" xlink:label="loc_us-gaap_MediumTermNotesMember_3107054A5FE51D3A2C7418BD30C16D80" xlink:type="locator"/>

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<link:label id="lab_gff_TermLoanMay2014Member_E52887622A3EF0F39BB118BD30C17545_terseLabel_en-US" xlink:label="lab_gff_TermLoanMay2014Member_E52887622A3EF0F39BB118BD30C17545" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan May 2014 [Member] </link:label>

<link:label id="lab_gff_TermLoanMay2014Member_E52887622A3EF0F39BB118BD30C17545_label_en-US" xlink:label="lab_gff_TermLoanMay2014Member_E52887622A3EF0F39BB118BD30C17545" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan May 2014 [Member] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_TermLoanMay2014Member" xlink:label="loc_gff_TermLoanMay2014Member_E52887622A3EF0F39BB118BD30C17545" xlink:type="locator"/>

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<link:label id="lab_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4_terseLabel_en-US" xlink:label="lab_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mortgages [Member] </link:label>

<link:label id="lab_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4_label_en-US" xlink:label="lab_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Mortgages [Member] </link:label>

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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4" xlink:to="lab_us-gaap_MortgagesMember_2B4D7648294F893333FE18BD30C13AF4" xlink:type="arc"/>

<link:label id="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD_terseLabel_en-US" xlink:label="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reissued Senior Notes [Member] </link:label>

<link:label id="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD_label_en-US" xlink:label="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reissued Senior Notes [Member] </link:label>

<link:label id="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD_documentation_en-US" xlink:label="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Reissued Senior Notes [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ReissuedSeniorNotesMember" xlink:label="loc_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:to="lab_gff_ReissuedSeniorNotesMember_0E32F1549C459A39E81718BD30C156CD" xlink:type="arc"/>

<link:label id="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6_terseLabel_en-US" xlink:label="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan 1 [Member] </link:label>

<link:label id="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6_label_en-US" xlink:label="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan 1 [Member] </link:label>

<link:label id="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6_documentation_en-US" xlink:label="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term Loan 1 [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TermLoan1Member" xlink:label="loc_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:to="lab_gff_TermLoan1Member_CA83A372607BA5FCCE6718BD30C152B6" xlink:type="arc"/>

<link:label id="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA_terseLabel_en-US" xlink:label="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan Due 2019 [Member] </link:label>

<link:label id="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA_label_en-US" xlink:label="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan Due 2019 [Member] </link:label>

<link:label id="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA_documentation_en-US" xlink:label="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term Loan Due 2019 [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TermLoanDue2019Member" xlink:label="loc_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:to="lab_gff_TermLoanDue2019Member_4EEC7790ECB60B7CDCBD18BD30C133BA" xlink:type="arc"/>

<link:label id="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B_terseLabel_en-US" xlink:label="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Senior Notes due 2022, May 2016 Add-On Issuance [Member] </link:label>

<link:label id="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B_label_en-US" xlink:label="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Notes due 2022, May 2016 Add-On Issuance [Member] </link:label>

<link:label id="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B_documentation_en-US" xlink:label="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Senior Notes due 2022, May 2016 Add-On Issuance [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SeniorNotesdue2022May2016AddOnIssuanceMember" xlink:label="loc_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:to="lab_gff_SeniorNotesdue2022May2016AddOnIssuanceMember_D611449186C61437DE4E18BD30C13E9B" xlink:type="arc"/>

<link:label id="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F_terseLabel_en-US" xlink:label="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving Facility, June 2017 [Member] </link:label>

<link:label id="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F_label_en-US" xlink:label="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Facility, June 2017 [Member] </link:label>

<link:label id="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F_documentation_en-US" xlink:label="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revolving Facility, June 2017 [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_RevolvingFacilityJune2017Member" xlink:label="loc_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:to="lab_gff_RevolvingFacilityJune2017Member_8EDB5B3F99E4EB74530418BD30C1F38F" xlink:type="arc"/>

<link:label id="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E_terseLabel_en-US" xlink:label="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Invoice Discounting Arrangement [Member] </link:label>

<link:label id="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E_label_en-US" xlink:label="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Invoice Discounting Arrangement [Member] </link:label>

<link:label id="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E_documentation_en-US" xlink:label="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Invoice Discounting Arrangement [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_InvoiceDiscountingArrangementMember" xlink:label="loc_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:to="lab_gff_InvoiceDiscountingArrangementMember_3FE9A679D4DA5D544E7018BD30D1CE8E" xlink:type="arc"/>

<link:label id="lab_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Extinguishment of Debt [Axis] </link:label>

<link:label id="lab_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Extinguishment of Debt [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121" xlink:to="lab_us-gaap_ExtinguishmentOfDebtAxis_72F88B385EBD5B348BFE18BD30D19121" xlink:type="arc"/>

<link:label id="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Extinguishment of Debt, Type [Domain] </link:label>

<link:label id="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Extinguishment of Debt, Type [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F" xlink:to="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_0DD730951D0EBF60E9BA18BD30D1EC8F" xlink:type="arc"/>

<link:label id="lab_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Level 1 [Member] </link:label>

<link:label id="lab_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 1 [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3" xlink:to="lab_us-gaap_FairValueInputsLevel1Member_8E476390D6CAA6E2149A18BD30D109A3" xlink:type="arc"/>

<link:label id="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A_terseLabel_en-US" xlink:label="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Axis] </link:label>

<link:label id="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A_label_en-US" xlink:label="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Axis] </link:label>

<link:label id="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A_documentation_en-US" xlink:label="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_RevolvingCreditFacilityAxis" xlink:label="loc_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:to="lab_gff_RevolvingCreditFacilityAxis_1F4BA5D13E6FC14803CB18BD30D1DD6A" xlink:type="arc"/>

<link:label id="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD_terseLabel_en-US" xlink:label="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RevolvingCreditFacility [Domain] </link:label>

<link:label id="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD_label_en-US" xlink:label="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Domain] </link:label>

<link:label id="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD_documentation_en-US" xlink:label="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_RevolvingCreditFacilityDomain" xlink:label="loc_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:to="lab_gff_RevolvingCreditFacilityDomain_1EDF43EFD67FEF2C05CD18BD30D11DDD" xlink:type="arc"/>

<link:label id="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791_terseLabel_en-US" xlink:label="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Letter Of Credit Subfacility [Member] </link:label>

<link:label id="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791_label_en-US" xlink:label="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letter Of Credit Subfacility [Member] </link:label>

<link:label id="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791_documentation_en-US" xlink:label="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_LetterOfCreditSubfacilityMember" xlink:label="loc_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:to="lab_gff_LetterOfCreditSubfacilityMember_7DD516CDA5DFE7A24D7D18BD30D15791" xlink:type="arc"/>

<link:label id="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5_terseLabel_en-US" xlink:label="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Multicurrency Subfacility [Member] </link:label>

<link:label id="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5_label_en-US" xlink:label="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Multicurrency Subfacility [Member] </link:label>

<link:label id="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5_documentation_en-US" xlink:label="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_MulticurrencySubfacilityMember" xlink:label="loc_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:to="lab_gff_MulticurrencySubfacilityMember_4E64B0D49BF6BA86A71518BD30D14CF5" xlink:type="arc"/>

<link:label id="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E_terseLabel_en-US" xlink:label="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Margin Rate [Member] </link:label>

<link:label id="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E_label_en-US" xlink:label="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Margin Rate [Member] </link:label>

<link:label id="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E_documentation_en-US" xlink:label="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_MarginRateMember" xlink:label="loc_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:to="lab_gff_MarginRateMember_185019DF9454DDCEC60718BD30D1B74E" xlink:type="arc"/>

<link:label id="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658_terseLabel_en-US" xlink:label="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIBOR Rate [Member] </link:label>

<link:label id="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658_label_en-US" xlink:label="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Libor Rate [Member] </link:label>

<link:label id="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658_documentation_en-US" xlink:label="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_LiborRateMember" xlink:label="loc_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:to="lab_gff_LiborRateMember_E645FE40C1C4CD2E237218BD30D17658" xlink:type="arc"/>

<link:label id="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91_terseLabel_en-US" xlink:label="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Bankers Acceptance Rate [Member] </link:label>

<link:label id="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91_label_en-US" xlink:label="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Bankers Acceptance Rate [Member] </link:label>

<link:label id="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91_documentation_en-US" xlink:label="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_BankersAcceptanceRateMember" xlink:label="loc_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:to="lab_gff_BankersAcceptanceRateMember_D0BAAD4CABDFD2F4F96D18BD30D17F91" xlink:type="arc"/>

<link:label id="lab_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>

<link:label id="lab_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3" xlink:to="lab_us-gaap_CreditFacilityAxis_1427359D3A731D39F83918BD30D1D6E3" xlink:type="arc"/>

<link:label id="lab_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>

<link:label id="lab_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052" xlink:to="lab_us-gaap_CreditFacilityDomain_C679EC5582D2B13069E718BD30D1B052" xlink:type="arc"/>

<link:label id="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5_terseLabel_en-US" xlink:label="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan [Member] </link:label>

<link:label id="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5_label_en-US" xlink:label="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan [Member] </link:label>

<link:label id="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5_documentation_en-US" xlink:label="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_TermLoanMember" xlink:label="loc_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:to="lab_gff_TermLoanMember_5F7C57CE8064E23F56BF18BD30D1F7D5" xlink:type="arc"/>

<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>

<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_F2E20A98B67918E64D2518BD30D1B629" xlink:type="arc"/>

<link:label id="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43_terseLabel_en-US" xlink:label="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Northcote Holdings Pty. Ltd [Member] </link:label>

<link:label id="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43_label_en-US" xlink:label="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Northcote Holdings Pty. Ltd [Member] </link:label>

<link:label id="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43_documentation_en-US" xlink:label="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Northcote Holdings Pty. Ltd [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NorthcoteHoldingsPty.LtdMember" xlink:label="loc_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:to="lab_gff_NorthcoteHoldingsPty.LtdMember_1024A012BD52572BB40818BD30D14A43" xlink:type="arc"/>

<link:label id="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC_terseLabel_en-US" xlink:label="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ames UK [Member] </link:label>

<link:label id="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC_label_en-US" xlink:label="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ames UK [Member] </link:label>

<link:label id="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC_documentation_en-US" xlink:label="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Ames UK [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AmesUKMember" xlink:label="loc_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:to="lab_gff_AmesUKMember_E59BCF32158680EE8DC918BD30D195EC" xlink:type="arc"/>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482_terseLabel_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482_label_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482_documentation_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems" xlink:label="loc_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:to="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsLineItems_FFC8387A011BBF56072E18BD30D15482" xlink:type="arc"/>

<link:label id="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B_terseLabel_en-US" xlink:label="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument exercised period </link:label>

<link:label id="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B_label_en-US" xlink:label="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument Exercised Period </link:label>

<link:label id="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B_documentation_en-US" xlink:label="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt instrument exercised period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtInstrumentExercisedPeriod" xlink:label="loc_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:to="lab_gff_DebtInstrumentExercisedPeriod_4EF47FDDE23351DA2CBB18BD30D1747B" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases for 2018 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due, Next Twelve Months </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_C6CB41D8CE2F0435841F18BD30D1AC38" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases for 2019 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Two Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_10198FE214B6B3B3DA8118BD30D10667" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases for 2020 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Three Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_1DA89958EC9D0E27364018BD30D1C95F" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases for 2021 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Four Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_B743C70D8B2861D23CDB18BD30D1C09D" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases for 2022 </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due in Five Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_79960D2982FD1A22C2C918BD30D1B5BD" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under capital leases thereafter </link:label>

<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Future Minimum Payments Due Thereafter </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_467B4D120A8260880AFC18BD30D173A6" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leased assets, gross </link:label>

<link:label id="lab_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7_label_en-US" xlink:label="lab_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leased Assets, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:label="loc_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7" xlink:to="lab_us-gaap_CapitalLeasedAssetsGross_A5D3F9F459ACDC95999A18BD30D101C7" xlink:type="arc"/>

<link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital leases, lessee balance sheet, assets by major class, accumulated depreciation </link:label>

<link:label id="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93" xlink:to="lab_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_5F7237918B03975B8CA518BD30D16D93" xlink:type="arc"/>

<link:label id="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0_terseLabel_en-US" xlink:label="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred interest charges </link:label>

<link:label id="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0_label_en-US" xlink:label="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Interest Charges </link:label>

<link:label id="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0_documentation_en-US" xlink:label="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of deferred interest charges as of the reporting date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DeferredInterestCharges" xlink:label="loc_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:to="lab_gff_DeferredInterestCharges_E23DE46E3DE15D865DD818BD30D1F6D0" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization </link:label>

<link:label id="lab_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F_label_en-US" xlink:label="lab_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F" xlink:to="lab_us-gaap_AdjustmentForAmortization_4AAF096FCCD3B1CF172718BD30D13F4F" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from long-term debt </link:label>

<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_1B44C9298E1D19B3D99C18BD30D1B415" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to acquire buildings </link:label>

<link:label id="lab_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Buildings </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBuildings" xlink:label="loc_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4" xlink:to="lab_us-gaap_PaymentsToAcquireBuildings_75BC58F45AC9A9241FEC18BD30D163E4" xlink:type="arc"/>

<link:label id="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14_terseLabel_en-US" xlink:label="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital lease maturity year </link:label>

<link:label id="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14_label_en-US" xlink:label="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Lease Maturity Year </link:label>

<link:label id="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14_documentation_en-US" xlink:label="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Capital lease maturity year. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_CapitalLeaseMaturityYear" xlink:label="loc_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:to="lab_gff_CapitalLeaseMaturityYear_79F35DE2B808BA91EC0618BD30D16C14" xlink:type="arc"/>

<link:label id="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt, percentage bearing fixed interest, percentage rate </link:label>

<link:label id="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75_label_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtPercentageBearingFixedInterestRate" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75" xlink:to="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_61C804F5BBDFF259EA7318BD30D10B75" xlink:type="arc"/>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under debt agreements for 2018 </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due Next Twelve Months </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing in the next fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:to="lab_gff_DebtAgreementsFutureMinimumPaymentsDueNextTwelveMonths_AA7D7A91BDC0BFF355B518BD30D12E77" xlink:type="arc"/>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under debt agreements for 2019 </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due In Two Years </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing in the second fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:to="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInTwoYears_2CFAAEBA371B2E77431318BD30D1F339" xlink:type="arc"/>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payment under debt engagement for 2020 </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due In Three Years </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing in the third fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:to="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInThreeYears_A2E4386AD0AE7236C48618BD30D1963C" xlink:type="arc"/>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under debt agreements for 2021 </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due In Four Years </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing in the forth fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:to="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFourYears_516DDE63703FB349D68018BD30D13285" xlink:type="arc"/>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under debt agreements for 2022 </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due In Five Years </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing in the fifth fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueInFiveYears_23929AF05F453B785D7018BD30D1B33F" xlink:type="locator"/>

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<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01_terseLabel_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum payments under debt agreements thereafter </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01_label_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Agreements Future Minimum Payments Due Thereafter </link:label>

<link:label id="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01_documentation_en-US" xlink:label="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of minimum payments maturing thereafter fiscal year following the latest fiscal year for debt agreement. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtAgreementsFutureMinimumPaymentsDueThereafter" xlink:label="loc_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:to="lab_gff_DebtAgreementsFutureMinimumPaymentsDueThereafter_DC91233BEB7C3F58F56A18BD30D1CC01" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, face amount </link:label>

<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Face Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_213A1CCEC9C9FCB6687B18BD30D1E7A1" xlink:type="arc"/>

<link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216_terseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized debt issuance expense </link:label>

<link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216_label_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unamortized Debt Issuance Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216" xlink:to="lab_us-gaap_UnamortizedDebtIssuanceExpense_49D8F188B505D867053C18BD30D13216" xlink:type="arc"/>

<link:label id="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7_terseLabel_en-US" xlink:label="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of loans refinanced with new debt instrument </link:label>

<link:label id="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7_label_en-US" xlink:label="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Number of Loans Refinanced with New Debt Instrument </link:label>

<link:label id="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7_documentation_en-US" xlink:label="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Number of Loans Refinanced with New Debt Instrument </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument" xlink:label="loc_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:to="lab_gff_DebtInstrumentNumberofLoansRefinancedwithNewDebtInstrument_26A4DF4CCB96FFBF3AE518BD30D1FBD7" xlink:type="arc"/>

<link:label id="lab_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of secured properties </link:label>

<link:label id="lab_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60_label_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of Real Estate Properties </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60" xlink:to="lab_us-gaap_NumberOfRealEstateProperties_A72B060F9166471670C118BD30D1CB60" xlink:type="arc"/>

<link:label id="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC_terseLabel_en-US" xlink:label="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capitalized fees & expenses </link:label>

<link:label id="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC_label_en-US" xlink:label="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capitalized Fees & Expenses </link:label>

<link:label id="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC_documentation_en-US" xlink:label="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of long term capitalized fees and expenses. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_LongTermDebtCapitalizedFeesAndExpenses" xlink:label="loc_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:to="lab_gff_LongTermDebtCapitalizedFeesAndExpenses_2F4F1499A8D2CB10F74518BD30D11BEC" xlink:type="arc"/>

<link:label id="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976_terseLabel_en-US" xlink:label="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance price, percentage </link:label>

<link:label id="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976_label_en-US" xlink:label="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Issuance Price, Percentage </link:label>

<link:label id="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976_documentation_en-US" xlink:label="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Issuance Price, Percentage </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtInstrumentIssuancePricePercentage" xlink:label="loc_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:to="lab_gff_DebtInstrumentIssuancePricePercentage_89267B09C26AC4C8A55518BD30D17976" xlink:type="arc"/>

<link:label id="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82_terseLabel_en-US" xlink:label="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payment of tender offer premium </link:label>

<link:label id="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82_label_en-US" xlink:label="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment Of Tender Offer Premium </link:label>

<link:label id="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82_documentation_en-US" xlink:label="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Payment of tender offer premium. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_PaymentOfTenderOfferPremium" xlink:label="loc_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:to="lab_gff_PaymentOfTenderOfferPremium_1A5011AF0A01E729955718BD30D14D82" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, periodic payment, interest </link:label>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment, Interest </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentInterest" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7" xlink:to="lab_us-gaap_DebtInstrumentPeriodicPaymentInterest_FE27D791CA9B50B7B10D18BD30D1E4A7" xlink:type="arc"/>

<link:label id="lab_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47_terseLabel_en-US" xlink:label="lab_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes payable, fair value disclosure </link:label>

<link:label id="lab_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47_label_en-US" xlink:label="lab_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Payable, Fair Value Disclosure </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47" xlink:to="lab_us-gaap_NotesPayableFairValueDisclosure_94D0344C6AD11AC1C5BF18BD30D1EA47" xlink:type="arc"/>

<link:label id="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927_terseLabel_en-US" xlink:label="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Underwriting fees and other expense capitalized </link:label>

<link:label id="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927_label_en-US" xlink:label="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Underwriting Fees And Other Expense Capitalized </link:label>

<link:label id="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927_documentation_en-US" xlink:label="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Underwriting fees and other expense capitalized. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_UnderwritingFeesAndOtherExpenseCapitalized" xlink:label="loc_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:to="lab_gff_UnderwritingFeesAndOtherExpenseCapitalized_2F1D00BEE7B503402C5218BD30D1A927" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, current borrowing capacity </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Current Borrowing Capacity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35" xlink:to="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_64C038A6BE1902E60F6318BD30D1FE35" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, interest rate during period </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Interest Rate During Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_1F1DABDC46D39042137818BD30D112DF" xlink:type="arc"/>

<link:label id="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037_terseLabel_en-US" xlink:label="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum percentage of equity interest of subsidiaries borrowings guaranteed </link:label>

<link:label id="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037_label_en-US" xlink:label="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum Percentage Of Equity Interest Of Subsidiaries Borrowings Guaranteed </link:label>

<link:label id="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037_documentation_en-US" xlink:label="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum percentage of equity interest of subsidiaries borrowings guaranteed. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed" xlink:label="loc_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:to="lab_gff_MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed_57804647EC9746062E9E18BD30D10037" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, amount outstanding </link:label>

<link:label id="lab_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959" xlink:to="lab_us-gaap_LineOfCredit_168B0C4590967FAD235418BD30D1B959" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, remaining borrowing capacity </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Remaining Borrowing Capacity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8051F93CE245A142883D18BD30D1A84D" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum borrowing capacity </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8F125A17CF9A98D90FB618BD30D1AE09" xlink:type="arc"/>

<link:label id="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9_terseLabel_en-US" xlink:label="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum borrowing capacity increase </link:label>

<link:label id="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9_label_en-US" xlink:label="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line Of Credit Facility, Maximum Borrowing Capacity Increase </link:label>

<link:label id="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9_documentation_en-US" xlink:label="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line Of Credit Facility, Maximum Borrowing Capacity Increase </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease" xlink:label="loc_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:to="lab_gff_LineOfCreditFacilityMaximumBorrowingCapacityIncrease_56B02DA3D17EBB2ECB4218BD30D180E9" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Original debt, amount </link:label>

<link:label id="lab_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1_label_en-US" xlink:label="lab_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Original Debt, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtConversionOriginalDebtAmount1" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1" xlink:to="lab_us-gaap_DebtConversionOriginalDebtAmount1_03289B6C8E419DAA44D218BD30D1E6E1" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Converted Instrument, Amount </link:label>

<link:label id="lab_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF_label_en-US" xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Converted Instrument, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF" xlink:to="lab_us-gaap_DebtConversionConvertedInstrumentAmount1_F522237A94FFCEECFF9018BD30D1ADCF" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, description of variable rate basis </link:label>

<link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Description of Variable Rate Basis </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5" xlink:to="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_1137BF66E0F1634AA6A518BD30D1E0F5" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, basis spread on variable rate </link:label>

<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_5EAD8F45714D38DB28FC18BD30D1B30A" xlink:type="arc"/>

<link:label id="lab_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding debt </link:label>

<link:label id="lab_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355" xlink:to="lab_us-gaap_LongTermDebt_254565D8A4822CE761E018BD30D18355" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt, gross </link:label>

<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_5A5753E49CE347FC79CB18BD30D1C176" xlink:type="arc"/>

<link:label id="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334_terseLabel_en-US" xlink:label="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amount of line note available to purchase common stock in open market </link:label>

<link:label id="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334_label_en-US" xlink:label="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amount Of Line Note Available To Purchase Common Stock In Open Market </link:label>

<link:label id="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334_documentation_en-US" xlink:label="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of line note available to purchase common stock in open market. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket" xlink:label="loc_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:to="lab_gff_AmountOfLineNoteAvailableToPurchaseCommonStockInOpenMarket_32CB3293175AB119EA5418BD30D10334" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, periodic payment, principal </link:label>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment, Principal </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8" xlink:to="lab_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_3B4935F3CAADF499AE8918BD30D10DA8" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, dividends, per share, cash paid (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C" xlink:to="lab_us-gaap_CommonStockDividendsPerShareCashPaid_154CBE54A6CAB0EE8E2F18BD30D1983C" xlink:type="arc"/>

<link:label id="lab_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Repayments of Debt </link:label>

<link:label id="lab_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B" xlink:to="lab_us-gaap_RepaymentsOfDebt_204980EDBC4CE4D2E7A618BD30D1617B" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid </link:label>

<link:label id="lab_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84" xlink:to="lab_us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_36A582B90086F906D29D18BD30D1FD84" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock issued during period, shares, ESOP </link:label>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Shares, Employee Stock Ownership Plan </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan_6C9CCCC46AC176DFC42718BD30D16434" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock issued during period, value, ESOP </link:label>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Employee Stock Ownership Plan </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan_5C554B8AFDA59AA543AA18BD30D1B042" xlink:type="arc"/>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ESOP, weighted average purchase price of shares purchased (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814" xlink:to="lab_us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased_7C0977F11C5B480BE3A918BD30D1E814" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from long-term lines of credit (in Euro) </link:label>

<link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Long-term Lines of Credit </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88" xlink:to="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_DF98CCE213E72F0CF3A518BD30D14B88" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0DBCD67964C9BBD041A918BD30D19DC4_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0DBCD67964C9BBD041A918BD30D19DC4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, interest rate during period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_0DBCD67964C9BBD041A918BD30D19DC4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_0DBCD67964C9BBD041A918BD30D19DC4" xlink:to="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0DBCD67964C9BBD041A918BD30D19DC4" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, interest rate at period end </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Interest Rate at Period End </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_F174378A287D4F938EA818BD30D1D777" xlink:type="arc"/>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, interest rate description </link:label>

<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Interest Rate Description </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateDescription_460BA9D736FB42C3B8A118BD30D1152B" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, interest rate at period end </link:label>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E12EFE54A335A425330618BD30D1312B" xlink:type="arc"/>

<link:label id="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7_terseLabel_en-US" xlink:label="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt conversion, converted instrument, cash received </link:label>

<link:label id="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7_label_en-US" xlink:label="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Converted Instrument, Cash Received </link:label>

<link:label id="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7_documentation_en-US" xlink:label="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Converted Instrument, Cash Received </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtConversionConvertedInstrumentCashReceived" xlink:label="loc_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:to="lab_gff_DebtConversionConvertedInstrumentCashReceived_B75529B87D4DD6F467F318BD30D1A6F7" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of treasury stock in settlement of convertible debt </link:label>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Conversion of Convertible Securities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_0DFDF943A07E27A1A93118BD30D1DB17" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_6A943D5BF87DA4A8624418BD30E13CC5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_6A943D5BF87DA4A8624418BD30E13CC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Converted instrument, shares issued </link:label>

<link:label id="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_6A943D5BF87DA4A8624418BD30E13CC5_label_en-US" xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_6A943D5BF87DA4A8624418BD30E13CC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Conversion, Converted Instrument, Shares Issued </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentSharesIssued1_6A943D5BF87DA4A8624418BD30E13CC5" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermLineOfCredit_447B9D073FB6413593CC18BD30E18241_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermLineOfCredit_447B9D073FB6413593CC18BD30E18241" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit, Noncurrent </link:label>

<link:label id="lab_us-gaap_LongTermLineOfCredit_447B9D073FB6413593CC18BD30E18241_label_en-US" xlink:label="lab_us-gaap_LongTermLineOfCredit_447B9D073FB6413593CC18BD30E18241" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit, Noncurrent </link:label>

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<link:label id="lab_srt_CondensedIncomeStatementTable_BB02BD1F22EF683FB4C018C182630604_terseLabel_en-US" xlink:label="lab_srt_CondensedIncomeStatementTable_BB02BD1F22EF683FB4C018C182630604" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement [Table] </link:label>

<link:label id="lab_srt_CondensedIncomeStatementTable_BB02BD1F22EF683FB4C018C182630604_label_en-US" xlink:label="lab_srt_CondensedIncomeStatementTable_BB02BD1F22EF683FB4C018C182630604" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement [Table] </link:label>

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<link:label id="lab_srt_CondensedIncomeStatementsCaptionsLineItems_DF5C3410C901A40B435618C1826B4B87_terseLabel_en-US" xlink:label="lab_srt_CondensedIncomeStatementsCaptionsLineItems_DF5C3410C901A40B435618C1826B4B87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Income Statements, Captions [Line Items] </link:label>

<link:label id="lab_srt_CondensedIncomeStatementsCaptionsLineItems_DF5C3410C901A40B435618C1826B4B87_label_en-US" xlink:label="lab_srt_CondensedIncomeStatementsCaptionsLineItems_DF5C3410C901A40B435618C1826B4B87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Income Statements, Captions [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CondensedIncomeStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedIncomeStatementsCaptionsLineItems_DF5C3410C901A40B435618C1826B4B87" xlink:type="locator"/>

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<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_113D6254E8EE55578A1718C1826BCC27_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_113D6254E8EE55578A1718C1826BCC27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of goods and services </link:label>

<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_113D6254E8EE55578A1718C1826BCC27_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_113D6254E8EE55578A1718C1826BCC27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold </link:label>

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<link:label id="lab_us-gaap_GrossProfit_1B8EA09F8DAB728481D118C1826B75B7_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_1B8EA09F8DAB728481D118C1826B75B7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>

<link:label id="lab_us-gaap_GrossProfit_1B8EA09F8DAB728481D118C1826B75B7_label_en-US" xlink:label="lab_us-gaap_GrossProfit_1B8EA09F8DAB728481D118C1826B75B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit </link:label>

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<link:label id="lab_us-gaap_RestructuringCharges_822081F10867911D0F9E18C1826CFF16_verboseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCharges_822081F10867911D0F9E18C1826CFF16" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring and other related charges </link:label>

<link:label id="lab_us-gaap_RestructuringCharges_822081F10867911D0F9E18C1826CFF16_label_en-US" xlink:label="lab_us-gaap_RestructuringCharges_822081F10867911D0F9E18C1826CFF16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Charges </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_822081F10867911D0F9E18C1826CFF16" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OperatingExpenses_9F1D19608E77BE75BCE618C1826C68D4_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_9F1D19608E77BE75BCE618C1826C68D4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>

<link:label id="lab_us-gaap_OperatingExpenses_9F1D19608E77BE75BCE618C1826C68D4_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses_9F1D19608E77BE75BCE618C1826C68D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_9F1D19608E77BE75BCE618C1826C68D4" xlink:type="locator"/>

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<link:label id="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7_terseLabel_en-US" xlink:label="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other income (expense) </link:label>

<link:label id="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7_label_en-US" xlink:label="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other income (expense) [Abstract]0 </link:label>

<link:label id="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7_documentation_en-US" xlink:label="lab_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_OtherIncomeExpenseAbstract0" xlink:label="loc_gff_OtherIncomeExpenseAbstract0_3902B693A21C5E244CAF18C1826C7FB7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestIncomeExpenseNet_172E6AFB167BE553297318C1826C2394_netLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_172E6AFB167BE553297318C1826C2394" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> Interest income (expense), net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_172E6AFB167BE553297318C1826C2394" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_D328A98C8BD64E99302418C1826DB384_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_D328A98C8BD64E99302418C1826DB384" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>

<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_D328A98C8BD64E99302418C1826DB384_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_D328A98C8BD64E99302418C1826DB384" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_D328A98C8BD64E99302418C1826DB384" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NonoperatingIncomeExpense_8A26597DBC58F609B4C818C1826D40CB_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_8A26597DBC58F609B4C818C1826D40CB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other income (expense) </link:label>

<link:label id="lab_us-gaap_NonoperatingIncomeExpense_8A26597DBC58F609B4C818C1826D40CB_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_8A26597DBC58F609B4C818C1826D40CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_8A26597DBC58F609B4C818C1826D40CB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_5B602F8188E3E5FD7BB418C1826DD65A_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_5B602F8188E3E5FD7BB418C1826DD65A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income before taxes from continuing operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_5B602F8188E3E5FD7BB418C1826DD65A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_99031B685A9EB28D987518C1826D05F8_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_99031B685A9EB28D987518C1826D05F8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Provision (benefit) for income taxes </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_99031B685A9EB28D987518C1826D05F8" xlink:type="locator"/>

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<link:label id="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA_totalLabel_en-US" xlink:label="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) before equity in net income of subsidiaries </link:label>

<link:label id="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA_label_en-US" xlink:label="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Before Equity Method Investments, Net of Tax, Attributable to Parent </link:label>

<link:label id="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA_documentation_en-US" xlink:label="lab_gff_IncomeLossfromContinuingOperationsBeforeEquityMethodInvestmentsNetofTaxAttributabletoParent_323919D16AB737217F9018C1826EE0DA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Before Equity Method Investments, Net of Tax, Attributable to Parent </link:label>

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<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4C793799DF6A8572F3D518C1826E5674_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4C793799DF6A8572F3D518C1826E5674" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Equity in net income (loss) of subsidiaries </link:label>

<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4C793799DF6A8572F3D518C1826E5674_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4C793799DF6A8572F3D518C1826E5674" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Equity Method Investments </link:label>

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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_B1B62F1554839615992D18C1826E64C3_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_B1B62F1554839615992D18C1826E64C3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) from continuing operations </link:label>

<link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_B1B62F1554839615992D18C1826E64C3_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_B1B62F1554839615992D18C1826E64C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_B1B62F1554839615992D18C1826E64C3" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_78D91B603C4859C8B95318C1826EAB75_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_78D91B603C4859C8B95318C1826EAB75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from operations of discontinued businesses </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_78D91B603C4859C8B95318C1826EAB75_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_78D91B603C4859C8B95318C1826EAB75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_78D91B603C4859C8B95318C1826EAB75" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_31A46C83CA210FBCE7CF18C1826EC2AA_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_31A46C83CA210FBCE7CF18C1826EC2AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Provision for income taxes </link:label>

<link:label id="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_31A46C83CA210FBCE7CF18C1826EC2AA_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_31A46C83CA210FBCE7CF18C1826EC2AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operation, Tax Effect of Discontinued Operation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_31A46C83CA210FBCE7CF18C1826EC2AA" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetIncomeLoss_B47016D0A772155CD7AA18C1826EA43F_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_B47016D0A772155CD7AA18C1826EA43F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:label id="lab_us-gaap_NetIncomeLoss_B47016D0A772155CD7AA18C1826EA43F_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_B47016D0A772155CD7AA18C1826EA43F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </link:label>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E9ECD54D6671159C0EF418C1826F86ED_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E9ECD54D6671159C0EF418C1826F86ED" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income, net of tax </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_E9ECD54D6671159C0EF418C1826F86ED" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_2E74F2B0173D04049EE118C1826F252F_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_2E74F2B0173D04049EE118C1826F252F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income (loss) </link:label>

<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_2E74F2B0173D04049EE118C1826F252F_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_2E74F2B0173D04049EE118C1826F252F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_2E74F2B0173D04049EE118C1826F252F" xlink:type="locator"/>

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<link:label id="lab_srt_ScheduleOfCondensedFinancialStatementsTable_3DE3D06F774B9A29DF141E48ED4CC3E1_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTable_3DE3D06F774B9A29DF141E48ED4CC3E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Financial Statements [Table] </link:label>

<link:label id="lab_srt_ScheduleOfCondensedFinancialStatementsTable_3DE3D06F774B9A29DF141E48ED4CC3E1_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTable_3DE3D06F774B9A29DF141E48ED4CC3E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Financial Statements [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_srt_ScheduleOfCondensedFinancialStatementsTable_3DE3D06F774B9A29DF141E48ED4CC3E1" xlink:type="locator"/>

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<link:label id="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9_terseLabel_en-US" xlink:label="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Clopay Ames True Temper Holding, Corp. [Member] </link:label>

<link:label id="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9_label_en-US" xlink:label="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Clopay Ames True Temper Holding, Corp. [Member] </link:label>

<link:label id="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9_documentation_en-US" xlink:label="lab_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Clopay Ames True Temper Holding, Corp. [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ClopayAmesTrueTemperHoldingCorp.Member" xlink:label="loc_gff_ClopayAmesTrueTemperHoldingCorp.Member_F8BB4C24DB38A9D7793F1E48ED4C46E9" xlink:type="locator"/>

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<link:label id="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493_terseLabel_en-US" xlink:label="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AMES Southern, Inc. [Member] </link:label>

<link:label id="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493_label_en-US" xlink:label="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AMES Southern, Inc. [Member] </link:label>

<link:label id="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493_documentation_en-US" xlink:label="lab_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> AMES Southern, Inc. [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AMESSouthernInc.Member" xlink:label="loc_gff_AMESSouthernInc.Member_1C77927B951D64C5BB521E48ED502493" xlink:type="locator"/>

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<link:label id="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249_terseLabel_en-US" xlink:label="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Telephonics Corporation [Member] </link:label>

<link:label id="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249_label_en-US" xlink:label="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Telephonics Corporation [Member] </link:label>

<link:label id="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249_documentation_en-US" xlink:label="lab_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Telephonics Corporation [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TelephonicsCorporationMember" xlink:label="loc_gff_TelephonicsCorporationMember_BE44821FD6AFE2BABB6C1E48ED50D249" xlink:type="locator"/>

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<link:label id="lab_gff_ClopayBuildingProductsMember_904235A61C5B5502C16B1E48ED500B67_verboseLabel_en-US" xlink:label="lab_gff_ClopayBuildingProductsMember_904235A61C5B5502C16B1E48ED500B67" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Clopay Building Products [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ClopayBuildingProductsMember" xlink:label="loc_gff_ClopayBuildingProductsMember_904235A61C5B5502C16B1E48ED500B67" xlink:type="locator"/>

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<link:label id="lab_srt_CondensedFinancialStatementsCaptionsLineItems_EEF22E75E7FAA57E687C1E48ED501D85_terseLabel_en-US" xlink:label="lab_srt_CondensedFinancialStatementsCaptionsLineItems_EEF22E75E7FAA57E687C1E48ED501D85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Financial Statements, Captions [Line Items] </link:label>

<link:label id="lab_srt_CondensedFinancialStatementsCaptionsLineItems_EEF22E75E7FAA57E687C1E48ED501D85_label_en-US" xlink:label="lab_srt_CondensedFinancialStatementsCaptionsLineItems_EEF22E75E7FAA57E687C1E48ED501D85" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Financial Statements, Captions [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedFinancialStatementsCaptionsLineItems_EEF22E75E7FAA57E687C1E48ED501D85" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_1C589FC18542CFDA06E51E48ED50D538_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_1C589FC18542CFDA06E51E48ED50D538" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsidiary percentage ownership </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_1C589FC18542CFDA06E51E48ED50D538" xlink:type="locator"/>

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<link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_7020FF6154CFCB23C9D918BD2F860B6C_terseLabel_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_7020FF6154CFCB23C9D918BD2F860B6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> QUARTERLY FINANCIAL INFORMATION (UNAUDITED) </link:label>

<link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_7020FF6154CFCB23C9D918BD2F860B6C_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_7020FF6154CFCB23C9D918BD2F860B6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_7020FF6154CFCB23C9D918BD2F860B6C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_B14ED29C7F9D1C53691918BD2F1917BB_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_B14ED29C7F9D1C53691918BD2F1917BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> OTHER INCOME (EXPENSE) </link:label>

<link:label id="lab_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_B14ED29C7F9D1C53691918BD2F1917BB_label_en-US" xlink:label="lab_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_B14ED29C7F9D1C53691918BD2F1917BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Income and Other Expense Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:label="loc_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_B14ED29C7F9D1C53691918BD2F1917BB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan </link:label>

<link:label id="lab_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1" xlink:to="lab_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_31F999ADC0D78AC31D7718BD323B55F1" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3FFA8DAEDE5B1508CD918BD323B58F9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3FFA8DAEDE5B1508CD918BD323B58F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity </link:label>

<link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3FFA8DAEDE5B1508CD918BD323B58F9_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3FFA8DAEDE5B1508CD918BD323B58F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_C3FFA8DAEDE5B1508CD918BD323B58F9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_GainLossOnSaleOfBusiness_07C04ADE7AF5CC8E962E1D6388F34454_verboseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfBusiness_07C04ADE7AF5CC8E962E1D6388F34454" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Gain on sale of business </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_07C04ADE7AF5CC8E962E1D6388F34454" xlink:type="locator"/>

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<link:label id="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747_terseLabel_en-US" xlink:label="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain on sale of business net of tax </link:label>

<link:label id="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747_label_en-US" xlink:label="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain Loss On Sale Of Business, Net Of Tax </link:label>

<link:label id="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747_documentation_en-US" xlink:label="lab_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Gain Loss On Sale Of Business, Net Of Tax </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_GainLossOnSaleOfBusinessNetOfTax" xlink:label="loc_gff_GainLossOnSaleOfBusinessNetOfTax_82DBE885C8D21F19515F1D6388F38747" xlink:type="locator"/>

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<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961_terseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stay and transaction bonuses and other accrued liabilities </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961_label_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Stay And Transaction Bonuses And Other Accrued Liabilities </link:label>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961_documentation_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Stay And Transaction Bonuses And Other Accrued Liabilities </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_56CF379E37CDDA8913EF1D6388F38961" xlink:type="locator"/>

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<link:label id="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6_terseLabel_en-US" xlink:label="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of units sold </link:label>

<link:label id="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6_label_en-US" xlink:label="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Units Sold </link:label>

<link:label id="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6_documentation_en-US" xlink:label="lab_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of units sold. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NumberOfUnitsSold" xlink:label="loc_gff_NumberOfUnitsSold_35771D52964270EB57931D6388F3DAE6" xlink:type="locator"/>

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<link:label id="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A_terseLabel_en-US" xlink:label="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of closed units </link:label>

<link:label id="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A_label_en-US" xlink:label="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Closed Units </link:label>

<link:label id="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A_documentation_en-US" xlink:label="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of closed units. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NumberOfClosedUnits" xlink:label="loc_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:to="lab_gff_NumberOfClosedUnits_A382D87E71205304FA461D6388F3BD0A" xlink:type="arc"/>

<link:label id="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C_terseLabel_en-US" xlink:label="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of merged units </link:label>

<link:label id="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C_label_en-US" xlink:label="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Merged Units </link:label>

<link:label id="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C_documentation_en-US" xlink:label="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of merged units. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NumberOfMergedUnits" xlink:label="loc_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:to="lab_gff_NumberOfMergedUnits_E9C5EF7E794555874A821D6388F3AE3C" xlink:type="arc"/>

<link:label id="lab_srt_ScheduleOfCondensedBalanceSheetTableTextBlock_E13BD9759E7E4A0D019A18BD3151C86D_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedBalanceSheetTableTextBlock_E13BD9759E7E4A0D019A18BD3151C86D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Balance Sheet </link:label>

<link:label id="lab_srt_ScheduleOfCondensedBalanceSheetTableTextBlock_E13BD9759E7E4A0D019A18BD3151C86D_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedBalanceSheetTableTextBlock_E13BD9759E7E4A0D019A18BD3151C86D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Balance Sheet [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfCondensedBalanceSheetTableTextBlock" xlink:label="loc_srt_ScheduleOfCondensedBalanceSheetTableTextBlock_E13BD9759E7E4A0D019A18BD3151C86D" xlink:type="locator"/>

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<link:label id="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_407014D4031FA65226AA18BD31511411_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_407014D4031FA65226AA18BD31511411" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement </link:label>

<link:label id="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_407014D4031FA65226AA18BD31511411_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_407014D4031FA65226AA18BD31511411" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="loc_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_407014D4031FA65226AA18BD31511411" xlink:type="locator"/>

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<link:label id="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_83DC87AC78696F42D4CA18BD31511ACC_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_83DC87AC78696F42D4CA18BD31511ACC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement </link:label>

<link:label id="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_83DC87AC78696F42D4CA18BD31511ACC_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_83DC87AC78696F42D4CA18BD31511ACC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfCondensedCashFlowStatementTableTextBlock" xlink:label="loc_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_83DC87AC78696F42D4CA18BD31511ACC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_7209033F42611EC47B9018BD2F67228D_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_7209033F42611EC47B9018BD2F67228D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pre-tax compensation expense </link:label>

<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_7209033F42611EC47B9018BD2F67228D_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_7209033F42611EC47B9018BD2F67228D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allocated Share-based Compensation Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_7209033F42611EC47B9018BD2F67228D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit </link:label>

<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Tax Benefit from Compensation Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_10C2772EC4546F7C4A1018BD2F679345" xlink:type="arc"/>

<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_6B7AD6E9FAFE8B51530718BD2F67DAD9_totalLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_6B7AD6E9FAFE8B51530718BD2F67DAD9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stock-based compensation expense, net of tax </link:label>

<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_6B7AD6E9FAFE8B51530718BD2F67DAD9_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_6B7AD6E9FAFE8B51530718BD2F67DAD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allocated Share-based Compensation Expense, Net of Tax </link:label>

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<link:label id="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_3701BAA1987BF25068FB18BD319F0A96_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_3701BAA1987BF25068FB18BD319F0A96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Recognized Identified Assets Acquired and Liabilities Assumed </link:label>

<link:label id="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_3701BAA1987BF25068FB18BD319F0A96_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_3701BAA1987BF25068FB18BD319F0A96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] </link:label>

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<link:label id="lab_gff_ScheduleofGoodwillAndIntangibleAssetsAcquiredasPartofBusinessCombinationTableTextBlock_AF958C7F42D84E07818018BD31AFA9AC_terseLabel_en-US" xlink:label="lab_gff_ScheduleofGoodwillAndIntangibleAssetsAcquiredasPartofBusinessCombinationTableTextBlock_AF958C7F42D84E07818018BD31AFA9AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill And Intangible Assets Acquired as Part of Business Combination </link:label>

<link:label id="lab_gff_ScheduleofGoodwillAndIntangibleAssetsAcquiredasPartofBusinessCombinationTableTextBlock_AF958C7F42D84E07818018BD31AFA9AC_label_en-US" xlink:label="lab_gff_ScheduleofGoodwillAndIntangibleAssetsAcquiredasPartofBusinessCombinationTableTextBlock_AF958C7F42D84E07818018BD31AFA9AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill And Intangible Assets Acquired as Part of Business Combination [Table Text Block] </link:label>

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<link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_A95A05E444CCF5EB9E4F18BD31AFD8EA_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_A95A05E444CCF5EB9E4F18BD31AFD8EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Information </link:label>

<link:label id="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_A95A05E444CCF5EB9E4F18BD31AFD8EA_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_A95A05E444CCF5EB9E4F18BD31AFD8EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Information [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_A95A05E444CCF5EB9E4F18BD31AFD8EA" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_EE699FE747AEB3A061D818BD3161BE18_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_EE699FE747AEB3A061D818BD3161BE18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> OTHER COMPREHENSIVE INCOME (LOSS) </link:label>

<link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_EE699FE747AEB3A061D818BD3161BE18_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_EE699FE747AEB3A061D818BD3161BE18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income (Loss) Note [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_EE699FE747AEB3A061D818BD3161BE18" xlink:type="locator"/>

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<link:label id="lab_srt_CondensedCashFlowStatementTable_B60F635E13301479EA8F18BD325A97BF_terseLabel_en-US" xlink:label="lab_srt_CondensedCashFlowStatementTable_B60F635E13301479EA8F18BD325A97BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement [Table] </link:label>

<link:label id="lab_srt_CondensedCashFlowStatementTable_B60F635E13301479EA8F18BD325A97BF_label_en-US" xlink:label="lab_srt_CondensedCashFlowStatementTable_B60F635E13301479EA8F18BD325A97BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement [Table] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CondensedCashFlowStatementTable" xlink:label="loc_srt_CondensedCashFlowStatementTable_B60F635E13301479EA8F18BD325A97BF" xlink:type="locator"/>

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<link:label id="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_AA9DB2625109A23ED18918BD3269C460_terseLabel_en-US" xlink:label="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_AA9DB2625109A23ED18918BD3269C460" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statements, Captions [Line Items] </link:label>

<link:label id="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_AA9DB2625109A23ED18918BD3269C460_label_en-US" xlink:label="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_AA9DB2625109A23ED18918BD3269C460" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statements, Captions [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CondensedCashFlowStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_AA9DB2625109A23ED18918BD3269C460" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F40D22D72362B27BF3F618BD32699AC0_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F40D22D72362B27BF3F618BD32699AC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM OPERATING ACTIVITIES: </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F40D22D72362B27BF3F618BD32699AC0_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F40D22D72362B27BF3F618BD32699AC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_F40D22D72362B27BF3F618BD32699AC0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetIncomeLoss_DFB8FF2CBC00A3EF83B418BD3269F1D6_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_DFB8FF2CBC00A3EF83B418BD3269F1D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_DFB8FF2CBC00A3EF83B418BD3269F1D6" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0F017EB63CEA1975A22418BD32691069_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0F017EB63CEA1975A22418BD32691069" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net (income) loss from discontinued operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_0F017EB63CEA1975A22418BD32691069" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5E76EEF68D8A611AB40418BD3269BB4B_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5E76EEF68D8A611AB40418BD3269BB4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used in) operating activities </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5E76EEF68D8A611AB40418BD3269BB4B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5E76EEF68D8A611AB40418BD3269BB4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5E76EEF68D8A611AB40418BD3269BB4B" xlink:type="locator"/>

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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_BBAA1140E4C22490718118BD3269924B_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_BBAA1140E4C22490718118BD3269924B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM INVESTING ACTIVITIES - CONTINUING OPERATIONS: </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_BBAA1140E4C22490718118BD3269924B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_BBAA1140E4C22490718118BD3269924B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>

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<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9C8CA1B9F84912609CCE18BD3269B180_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9C8CA1B9F84912609CCE18BD3269B180" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquisition of property, plant and equipment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9C8CA1B9F84912609CCE18BD3269B180" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_23FF05CD603FC47BED1518BD32697403_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_23FF05CD603FC47BED1518BD32697403" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquired business, net of cash acquired </link:label>

<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_23FF05CD603FC47BED1518BD32697403_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_23FF05CD603FC47BED1518BD32697403" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_23FF05CD603FC47BED1518BD32697403" xlink:type="locator"/>

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<link:label id="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F_terseLabel_en-US" xlink:label="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany distributions </link:label>

<link:label id="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F_label_en-US" xlink:label="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intercompany Distributions </link:label>

<link:label id="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F_documentation_en-US" xlink:label="lab_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The inter company cash distributions transacted and reported during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_IntercompanyDistributions" xlink:label="loc_gff_IntercompanyDistributions_9FAE1F7ECACAB07A46B618BD3269E08F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_52360587AE768745DC4618BD3269F6B2_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_52360587AE768745DC4618BD3269F6B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Divestiture of Businesses </link:label>

<link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_52360587AE768745DC4618BD3269F6B2_label_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_52360587AE768745DC4618BD3269F6B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Divestiture of Businesses </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_52360587AE768745DC4618BD3269F6B2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_9CFA6E419B038197D48518BD32694BF5_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_9CFA6E419B038197D48518BD32694BF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sale of property, plant and equipment </link:label>

<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_9CFA6E419B038197D48518BD32694BF5_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_9CFA6E419B038197D48518BD32694BF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Property, Plant, and Equipment </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_9CFA6E419B038197D48518BD32694BF5" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment purchases </link:label>

<link:label id="lab_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Investments </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForProceedsFromInvestments" xlink:label="loc_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF" xlink:to="lab_us-gaap_PaymentsForProceedsFromInvestments_8BF224B97D283EE2D2FD18BD32697BBF" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in investing activities - continuing operations </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_117939EFACA80B554F9718BD32692DB9" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM FINANCING ACTIVITIES - CONTINUING OPERATIONS: </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_BC1410269AC8DEB214E318BD326909B1" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from issuance of common stock </link:label>

<link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Common Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_11AC3CF6EABDA2D5375318BD3269E40C" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchase of shares for treasury </link:label>

<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_9288882B5BD78D49064318BD3269DCF6" xlink:type="arc"/>

<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments of long-term debt </link:label>

<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_6827EFD875D4124E82AD18BD32694590" xlink:type="arc"/>

<link:label id="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34_negatedTerseLabel_en-US" xlink:label="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Share premium payment on settled debt </link:label>

<link:label id="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34_label_en-US" xlink:label="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Premium Received From Settlement Of Debt, Financing Activities </link:label>

<link:label id="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34_documentation_en-US" xlink:label="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share Premium Received From Settlement Of Debt, Financing Activities </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities" xlink:label="loc_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:to="lab_gff_SharePremiumReceivedFromSettlementOfDebtFinancingActivities_E4CA34259B798AB84D2A18BD3269DC34" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in short-term borrowings </link:label>

<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Short-term Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_DEFC3ADE512FB887A01818BD3269377D" xlink:type="arc"/>

<link:label id="lab_us-gaap_PaymentsOfFinancingCosts_AB33D4E704F78B31DBE018BD32694B0B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_AB33D4E704F78B31DBE018BD32694B0B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Financing costs </link:label>

<link:label id="lab_us-gaap_PaymentsOfFinancingCosts_AB33D4E704F78B31DBE018BD32694B0B_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_AB33D4E704F78B31DBE018BD32694B0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Financing Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_AB33D4E704F78B31DBE018BD32694B0B" xlink:type="locator"/>

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<link:label id="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC_negatedLabel_en-US" xlink:label="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchase of ESOP shares </link:label>

<link:label id="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC_label_en-US" xlink:label="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments To Acquire Employee Stock Ownership Plan Shares </link:label>

<link:label id="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC_documentation_en-US" xlink:label="lab_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash outflow for the purchase of Employee Stock Ownership Plan (ESOP) shares. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares" xlink:label="loc_gff_PaymentsToAcquireEmployeeStockOwnershipPlanShares_BC91DA626023F37CFCED18BD326969AC" xlink:type="locator"/>

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<link:label id="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427_negatedTerseLabel_en-US" xlink:label="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax effect from exercise/vesting of equity awards, net </link:label>

<link:label id="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427_label_en-US" xlink:label="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds From Tax Benefit From Exercise Of Options And Vesting Of Restricted Stock </link:label>

<link:label id="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427_documentation_en-US" xlink:label="lab_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash inflow associated with tax benefit from exercise of options/vesting of restricted stock. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock" xlink:label="loc_gff_ProceedsFromTaxBenefitFromExerciseOfOptionsAndVestingOfRestrictedStock_19FC9633267CD4B7D04218BD32698427" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_2E8B33EFD27DA0308C5718BD3269491A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_2E8B33EFD27DA0308C5718BD3269491A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Dividends </link:label>

<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_2E8B33EFD27DA0308C5718BD3269491A_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_2E8B33EFD27DA0308C5718BD3269491A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends, Common Stock </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_2E8B33EFD27DA0308C5718BD3269491A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>

<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB" xlink:to="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_79BFE7C2838413596DB618BD326911FB" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E53C77FADBD53A739FAC18BD3269B878_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E53C77FADBD53A739FAC18BD3269B878" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used) in financing activities - continuing operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E53C77FADBD53A739FAC18BD3269B878" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_E53C77FADBD53A739FAC18BD3269B878" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_E53C77FADBD53A739FAC18BD3269B878" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CASH FLOWS FROM DISCONTINUED OPERATIONS: </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Discontinued Operations [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92" xlink:to="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_06C4348C45362A7E25B518BD3269BC92" xlink:type="arc"/>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in discontinued operations </link:label>

<link:label id="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Discontinued Operations </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111" xlink:to="lab_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_BA420433BAB77AAD58D518BD3269F111" xlink:type="arc"/>

<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash and equivalents </link:label>

<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_FB8A00E5A3FA08DB2CCD18BD32697099" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS </link:label>

<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_D9147550EA5E80BEE75118BD32697EF0" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_97A3C84936F785F1595818BD32692724_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_97A3C84936F785F1595818BD32692724" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> CASH AND EQUIVALENTS AT BEGINNING OF PERIOD </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_97A3C84936F785F1595818BD32692724" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_97A3C84936F785F1595818BD32692724" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_97A3C84936F785F1595818BD32692724" xlink:type="arc"/>

<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_52EBF13D12B4BA608B1F18BD3269C4E5_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_52EBF13D12B4BA608B1F18BD3269C4E5" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> CASH AND EQUIVALENTS AT END OF PERIOD </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_52EBF13D12B4BA608B1F18BD3269C4E5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_52EBF13D12B4BA608B1F18BD3269C4E5" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_52EBF13D12B4BA608B1F18BD3269C4E5" xlink:type="arc"/>

<link:label id="lab_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax assets: </link:label>

<link:label id="lab_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Net of Valuation Allowance [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract" xlink:label="loc_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD" xlink:to="lab_us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract_613CBE2634C1F9DBCC4318BD2F86CDDD" xlink:type="arc"/>

<link:label id="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB_terseLabel_en-US" xlink:label="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Bad debt reserves </link:label>

<link:label id="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB_label_en-US" xlink:label="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Bad debt reserves </link:label>

<link:label id="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB_documentation_en-US" xlink:label="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of deferred tax assets attributable to bad debt reserves. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DeferredTaxAssetsBadDebtReserves" xlink:label="loc_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:to="lab_gff_DeferredTaxAssetsBadDebtReserves_04010A319E9FB00CFAAD18BD2F96E0EB" xlink:type="arc"/>

<link:label id="lab_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory reserves </link:label>

<link:label id="lab_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Inventory </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9" xlink:to="lab_us-gaap_DeferredTaxAssetsInventory_0AE91B41A1C0E787572918BD2F965CC9" xlink:type="arc"/>

<link:label id="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397_terseLabel_en-US" xlink:label="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred compensation (equity compensation and defined benefit plans) </link:label>

<link:label id="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397_label_en-US" xlink:label="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred compensation (equity compensation and defined benefit plans) </link:label>

<link:label id="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397_documentation_en-US" xlink:label="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of deferred tax assets attributable to deferred compensation. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DeferredTaxAssetsDeferredCompensation" xlink:label="loc_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:to="lab_gff_DeferredTaxAssetsDeferredCompensation_A382D818762174B9AD9B18BD2F969397" xlink:type="arc"/>

<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_9FBFF7074601643BDF8818BD2F960637_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_9FBFF7074601643BDF8818BD2F960637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Compensation benefits </link:label>

<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_9FBFF7074601643BDF8818BD2F960637_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_9FBFF7074601643BDF8818BD2F960637" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_9FBFF7074601643BDF8818BD2F960637" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_07014BA0624F5D95C1D918BD2F979096_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_07014BA0624F5D95C1D918BD2F979096" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Insurance reserve </link:label>

<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_07014BA0624F5D95C1D918BD2F979096_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_07014BA0624F5D95C1D918BD2F979096" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance_07014BA0624F5D95C1D918BD2F979096" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges_1EBD2BFBCA02FCEB710B18BD2F9738E9_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges_1EBD2BFBCA02FCEB710B18BD2F9738E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring reserve </link:label>

<link:label id="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges_1EBD2BFBCA02FCEB710B18BD2F9738E9_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges_1EBD2BFBCA02FCEB710B18BD2F9738E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges_1EBD2BFBCA02FCEB710B18BD2F9738E9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilities_CF570F8330EF89FE52DE18BD2F980B72_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities_CF570F8330EF89FE52DE18BD2F980B72" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Total deferred tax liabilities </link:label>

<link:label id="lab_us-gaap_DeferredIncomeTaxLiabilities_CF570F8330EF89FE52DE18BD2F980B72_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities_CF570F8330EF89FE52DE18BD2F980B72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_CF570F8330EF89FE52DE18BD2F980B72" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DeferredTaxLiabilities_70BF2FCB73018DCD950518BD2F981ABB_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilities_70BF2FCB73018DCD950518BD2F981ABB" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Net deferred liability </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_70BF2FCB73018DCD950518BD2F981ABB" xlink:type="locator"/>

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<link:label id="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8_terseLabel_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for Doubtful Accounts [Axis] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8_label_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance For Doubtful Accounts [Axis] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8_documentation_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_AllowanceForDoubtfulAccountsAxis" xlink:label="loc_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:to="lab_gff_AllowanceForDoubtfulAccountsAxis_DB907A3029401203B81A18BD319FADE8" xlink:type="arc"/>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6_terseLabel_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> AllowanceForDoubtfulAccounts [Domain] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6_label_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AllowanceForDoubtfulAccounts [Domain] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6_documentation_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_AllowanceForDoubtfulAccountsDomain" xlink:label="loc_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:to="lab_gff_AllowanceForDoubtfulAccountsDomain_C307015A72ACE5AEE3BD18BD319FD7F6" xlink:type="arc"/>

<link:label id="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C_terseLabel_en-US" xlink:label="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Bad debts [Member] </link:label>

<link:label id="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C_label_en-US" xlink:label="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Bad Debts [Member] </link:label>

<link:label id="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C_documentation_en-US" xlink:label="lab_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Bad debts. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_BadDebtsMember" xlink:label="loc_gff_BadDebtsMember_D6AFE93C0B1ED948063318BD319F823C" xlink:type="locator"/>

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<link:label id="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E_terseLabel_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales returns and allowances [Member] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E_label_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance For Doubtful Accounts Sales Returns And Allowances [Member] </link:label>

<link:label id="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E_documentation_en-US" xlink:label="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Allowance for doubtful accounts sales returns and allowances. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember" xlink:label="loc_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:to="lab_gff_AllowanceForDoubtfulAccountsSalesReturnsAndAllowancesMember_A0E5D50635AA18BC9DA518BD319F384E" xlink:type="arc"/>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_DCC6D22D02EB5491525F18BD319F3738" xlink:type="arc"/>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7" xlink:to="lab_us-gaap_ValuationAllowancesAndReservesDomain_75EF3CF3395EE4B6DCDF18BD319F43C7" xlink:type="arc"/>

<link:label id="lab_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Allowance, Credit Loss [Member] </link:label>

<link:label id="lab_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E_label_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Allowance, Credit Loss [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForCreditLossMember" xlink:label="loc_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E" xlink:to="lab_us-gaap_AllowanceForCreditLossMember_7BDF73D083E8CECD617E18BD319F017E" xlink:type="arc"/>

<link:label id="lab_us-gaap_InventoryValuationReserveMember_50533A9A26C0C855F6E818BD319F6984_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryValuationReserveMember_50533A9A26C0C855F6E818BD319F6984" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory valuation [Member] </link:label>

<link:label id="lab_us-gaap_InventoryValuationReserveMember_50533A9A26C0C855F6E818BD319F6984_label_en-US" xlink:label="lab_us-gaap_InventoryValuationReserveMember_50533A9A26C0C855F6E818BD319F6984" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Reserve, Inventory [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryValuationReserveMember" xlink:label="loc_us-gaap_InventoryValuationReserveMember_50533A9A26C0C855F6E818BD319F6984" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_92260ED5DFB2A4898A6118BD319F4E6A_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_92260ED5DFB2A4898A6118BD319F4E6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred tax valuation allowance [Member] </link:label>

<link:label id="lab_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_92260ED5DFB2A4898A6118BD319F4E6A_label_en-US" xlink:label="lab_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_92260ED5DFB2A4898A6118BD319F4E6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_92260ED5DFB2A4898A6118BD319F4E6A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesBalance_607B7484F806321AFA7518BD319FE70F_periodStartLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_607B7484F806321AFA7518BD319FE70F" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at Beginning of Year </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesBalance_607B7484F806321AFA7518BD319FE70F_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_607B7484F806321AFA7518BD319FE70F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_607B7484F806321AFA7518BD319FE70F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_A73E342D0E18509B0E2818BD319FCDF2_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_A73E342D0E18509B0E2818BD319FCDF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recorded to Cost and Expense </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_A73E342D0E18509B0E2818BD319FCDF2_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_A73E342D0E18509B0E2818BD319FCDF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_A73E342D0E18509B0E2818BD319FCDF2" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1CDD16B879D90029158F18BD319FCB8A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1CDD16B879D90029158F18BD319FCB8A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Written Off, net </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1CDD16B879D90029158F18BD319FCB8A_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDeductions_1CDD16B879D90029158F18BD319FCB8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_1CDD16B879D90029158F18BD319FCB8A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesPeriodIncreaseDecrease_2E6D70AE52355730DD0318BD319F1603_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesPeriodIncreaseDecrease_2E6D70AE52355730DD0318BD319F1603" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>

<link:label id="lab_us-gaap_ValuationAllowancesAndReservesPeriodIncreaseDecrease_2E6D70AE52355730DD0318BD319F1603_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesPeriodIncreaseDecrease_2E6D70AE52355730DD0318BD319F1603" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease) </link:label>

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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesBalance_40BD7422A627F15CB14118BD319FB28A_periodEndLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesBalance_40BD7422A627F15CB14118BD319FB28A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at End of Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_40BD7422A627F15CB14118BD319FB28A" xlink:type="locator"/>

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<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87_terseLabel_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Long-Term Debt [Table] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87_label_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Long-Term Debt [Table] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87_documentation_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable" xlink:label="loc_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtTable_E00F941988F578C9DC6218BD32B77E87" xlink:type="locator"/>

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<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792_terseLabel_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Long-Term Debt [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792_label_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT (Details) - Summary of Long-Term Debt [Line Items] </link:label>

<link:label id="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792_documentation_en-US" xlink:label="lab_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems" xlink:label="loc_gff_NOTESPAYABLECAPITALIZEDLEASESANDLONGTERMDEBTDetailsSummaryofLongTermDebtLineItems_E0719FC3356E491BA21E18BD32B71792" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestPaid_038EF2069146C1D0042718BD32B769DD_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_038EF2069146C1D0042718BD32B769DD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Interest Paid, Including Capitalized Interest, Operating and Investing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_038EF2069146C1D0042718BD32B769DD" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_6B2A4C3067DD7AD92B1C18BD32B7D181_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_6B2A4C3067DD7AD92B1C18BD32B7D181" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Discount (Premium) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_6B2A4C3067DD7AD92B1C18BD32B7D181" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AmortizationOfFinancingCosts_B9CDEE8EAE4F67A092EF18BD32B75359_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_B9CDEE8EAE4F67A092EF18BD32B75359" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_B9CDEE8EAE4F67A092EF18BD32B75359" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InterestExpenseDebt_CA48E5756DD5A40D886118BD32B7B4ED_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_CA48E5756DD5A40D886118BD32B7B4ED" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Interest Expense, Debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_CA48E5756DD5A40D886118BD32B7B4ED" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt_CA48E5756DD5A40D886118BD32B7B4ED" xlink:to="lab_us-gaap_InterestExpenseDebt_CA48E5756DD5A40D886118BD32B7B4ED" xlink:type="arc"/>

<link:label id="lab_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Capitalized interest </link:label>

<link:label id="lab_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49_label_en-US" xlink:label="lab_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Capitalized, Investing Activities </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidCapitalized" xlink:label="loc_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49" xlink:to="lab_us-gaap_InterestPaidCapitalized_4C466F79D6D400BD5E5B18BD32B70C49" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_8E16CE6A5C969A28CAF618BD32B79EBE_totalLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_8E16CE6A5C969A28CAF618BD32B79EBE" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Outstanding Balance </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_8E16CE6A5C969A28CAF618BD32B79EBE" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_8E16CE6A5C969A28CAF618BD32B79EBE" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_8E16CE6A5C969A28CAF618BD32B79EBE" xlink:type="arc"/>

<link:label id="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6_negatedTerseLabel_en-US" xlink:label="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> less: Current portion </link:label>

<link:label id="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6_label_en-US" xlink:label="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long Term Debt Gross Current </link:label>

<link:label id="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6_documentation_en-US" xlink:label="lab_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The current portion of long term debt gross value. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_LongTermDebtGrossCurrent" xlink:label="loc_gff_LongTermDebtGrossCurrent_770E555633D6FC18B1E818BD32B767C6" xlink:type="locator"/>

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<link:label id="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9_terseLabel_en-US" xlink:label="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>

<link:label id="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9_label_en-US" xlink:label="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross, Noncurrent1 </link:label>

<link:label id="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9_documentation_en-US" xlink:label="lab_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The carrying amount of long-term debt, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_LongtermDebtGrossNoncurrent1" xlink:label="loc_gff_LongtermDebtGrossNoncurrent1_97409793C4CA9C9C81FC18BD32B703D9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_DCB2306194DBAB6E266B18BD32B75D6A_totalLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_DCB2306194DBAB6E266B18BD32B75D6A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Original Issuer Discount </link:label>

<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_DCB2306194DBAB6E266B18BD32B75D6A_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_DCB2306194DBAB6E266B18BD32B75D6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_DCB2306194DBAB6E266B18BD32B75D6A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountCurrent_2677C23C52373FA30FF318BD32B7EC19_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountCurrent_2677C23C52373FA30FF318BD32B7EC19" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> less: Current portion </link:label>

<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountCurrent_2677C23C52373FA30FF318BD32B7EC19_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountCurrent_2677C23C52373FA30FF318BD32B7EC19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount, Current </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountCurrent" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountCurrent_2677C23C52373FA30FF318BD32B7EC19" xlink:type="locator"/>

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<link:label id="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB_terseLabel_en-US" xlink:label="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capitalized Fees & Expenses, Current </link:label>

<link:label id="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB_label_en-US" xlink:label="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Current, Net </link:label>

<link:label id="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB_documentation_en-US" xlink:label="lab_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Current, Net </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DebtIssuanceCostsCurrentNet" xlink:label="loc_gff_DebtIssuanceCostsCurrentNet_8904F82B073F660A375818BD32B782EB" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_01797B380BF94E8A5F7818BD32B76C51_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_01797B380BF94E8A5F7818BD32B76C51" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>

<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_01797B380BF94E8A5F7818BD32B76C51_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountNoncurrent_01797B380BF94E8A5F7818BD32B76C51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount, Noncurrent </link:label>

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<link:label id="lab_gff_DebtIssuanceCostsNoncurrentNet_A9BEF10BC3109FDAD31618BD32B7D86A_label_en-US" xlink:label="lab_gff_DebtIssuanceCostsNoncurrentNet_A9BEF10BC3109FDAD31618BD32B7D86A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Noncurrent, Net </link:label>

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<link:label id="lab_us-gaap_LongTermDebt_66810B6E4F57623CCD1D18BD32B70660_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_66810B6E4F57623CCD1D18BD32B70660" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Balance Sheet </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_DBFBDA3D66B9FBE2319018BD32B77C08" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_5FF29A5A895AEBC3D3CA18BD32B73ECD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_5FF29A5A895AEBC3D3CA18BD32B73ECD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_5FF29A5A895AEBC3D3CA18BD32B73ECD" xlink:type="locator"/>

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<link:loc xlink:href="gff-20180930.xsd#gff_LongTermDebtCapitalizedFeesAndExpenses" xlink:label="loc_gff_LongTermDebtCapitalizedFeesAndExpenses_9B244F4D83553A0E3CA018BD32B7C6F6" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_AA8E9879A30E90D7CBF918BD32C76426_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_AA8E9879A30E90D7CBF918BD32C76426" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Coupon Interest Rate </link:label>

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<link:label id="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_133EAEF6945B3204329E18BD30A175C6_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_133EAEF6945B3204329E18BD30A175C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </link:label>

<link:label id="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_133EAEF6945B3204329E18BD30A175C6_label_en-US" xlink:label="lab_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_133EAEF6945B3204329E18BD30A175C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Description and Basis of Presentation [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_133EAEF6945B3204329E18BD30A175C6" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ProceedsFromLifeInsurancePolicies_ABD722534438D48761A218BD3044E745_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLifeInsurancePolicies_ABD722534438D48761A218BD3044E745" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from life insurance policy </link:label>

<link:label id="lab_us-gaap_ProceedsFromLifeInsurancePolicies_ABD722534438D48761A218BD3044E745_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLifeInsurancePolicies_ABD722534438D48761A218BD3044E745" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Life Insurance Policy </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLifeInsurancePolicies" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies_ABD722534438D48761A218BD3044E745" xlink:type="locator"/>

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<link:label id="lab_gff_SpecialDividendESOPCharges_DE58E8003493C6912F3A18BD3044A625_terseLabel_en-US" xlink:label="lab_gff_SpecialDividendESOPCharges_DE58E8003493C6912F3A18BD3044A625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Special dividend ESOP charges </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SpecialDividendESOPCharges" xlink:label="loc_gff_SpecialDividendESOPCharges_DE58E8003493C6912F3A18BD3044A625" xlink:type="locator"/>

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<link:label id="lab_gff_EquityOfferingCosts_A9A2787172E66722193118BD30443633_terseLabel_en-US" xlink:label="lab_gff_EquityOfferingCosts_A9A2787172E66722193118BD30443633" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity offering costs </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_EquityOfferingCosts" xlink:label="loc_gff_EquityOfferingCosts_A9A2787172E66722193118BD30443633" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LossOnContractTermination_D942FB3137C94224967318BD30443824_terseLabel_en-US" xlink:label="lab_us-gaap_LossOnContractTermination_D942FB3137C94224967318BD30443824" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract settlement charges </link:label>

<link:label id="lab_us-gaap_LossOnContractTermination_D942FB3137C94224967318BD30443824_label_en-US" xlink:label="lab_us-gaap_LossOnContractTermination_D942FB3137C94224967318BD30443824" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss on Contract Termination </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossOnContractTermination" xlink:label="loc_us-gaap_LossOnContractTermination_D942FB3137C94224967318BD30443824" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_7E64E1E38B1C75309E0B18BD3142CDCA_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_7E64E1E38B1C75309E0B18BD3142CDCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures </link:label>

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<link:label id="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_70E4488513C49F0BAD6918BD3151F983_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_70E4488513C49F0BAD6918BD3151F983" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring and Related Cost </link:label>

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<link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_1EFB5DD9CB10BD6BC0AF18BD2FDCF2EF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_1EFB5DD9CB10BD6BC0AF18BD2FDCF2EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment </link:label>

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<link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_FEBAC01B30F488B2D00A18BD2FDCB9C3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_FEBAC01B30F488B2D00A18BD2FDCB9C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis </link:label>

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<link:label id="lab_gff_ScheduleOfSegmentInformationByGeographicRegionTableTextBlock_9372D9F2F883935A588218BD2FDCFB4E_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfSegmentInformationByGeographicRegionTableTextBlock_9372D9F2F883935A588218BD2FDCFB4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Segment Information By Geographic Region </link:label>

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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Unvested (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_453A86340E6648B48A8618BD32D7EFA1" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_66B62F47B127277592D018BD32D795CC" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vested (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8F5C9458405097829D7918BD32D751E5" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_968DB309D5E63701A12218BD32D79298" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7E19B18FBCBC4927528618BD32D755F1_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7E19B18FBCBC4927528618BD32D755F1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Unvested (in Dollars per share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7E19B18FBCBC4927528618BD32D755F1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7E19B18FBCBC4927528618BD32D755F1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_7E19B18FBCBC4927528618BD32D755F1" xlink:type="arc"/>

<link:label id="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229_terseLabel_en-US" xlink:label="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> CONSOLIDATING GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION </link:label>

<link:label id="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229_label_en-US" xlink:label="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidating Guarantor And Non Guarantor Financial Information [Text Block] </link:label>

<link:label id="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229_documentation_en-US" xlink:label="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure relating to consolidating guarantor and non-guarantor financial informations during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock" xlink:label="loc_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:to="lab_gff_ConsolidatingGuarantorAndNonGuarantorFinancialInformationTextBlock_65053C7535B6A50DAA8F18BD2F070229" xlink:type="arc"/>

<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued Operations [Member] </link:label>

<link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029_label_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Discontinued Operations [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029" xlink:to="lab_us-gaap_SegmentDiscontinuedOperationsMember_EEB5851F35124CB9F56B1E48EF8C8029" xlink:type="arc"/>

<link:label id="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34_terseLabel_en-US" xlink:label="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assets of discontinued operations: </link:label>

<link:label id="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34_label_en-US" xlink:label="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets of discontinued operations: [Abstract] </link:label>

<link:label id="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34_documentation_en-US" xlink:label="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_AssetsOfDiscontinuedOperationsAbstract" xlink:label="loc_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:to="lab_gff_AssetsOfDiscontinuedOperationsAbstract_FF545BDE3B3EE6712DD51E48EF8C1F34" xlink:type="arc"/>

<link:label id="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9_totalLabel_en-US" xlink:label="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets of discontinued operations </link:label>

<link:label id="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9_label_en-US" xlink:label="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets Of Disposal Group Including Discontinued Operation Current And Noncurrent </link:label>

<link:label id="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9_documentation_en-US" xlink:label="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for noncurrent and current assets to be sold or that has subsequently been disposed of through sale, as of the financial statement date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent" xlink:label="loc_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:to="lab_gff_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_35DEA634B597D55011F11E48EF8CCCE9" xlink:type="arc"/>

<link:label id="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015_terseLabel_en-US" xlink:label="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities of discontinued operations: </link:label>

<link:label id="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015_label_en-US" xlink:label="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities of discontinued operations: [Abstract] </link:label>

<link:label id="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015_documentation_en-US" xlink:label="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_LiabilitiesOfDiscontinuedOperationsAbstract" xlink:label="loc_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:to="lab_gff_LiabilitiesOfDiscontinuedOperationsAbstract_3097B6F2FDDE87C5D4211E48EF8CC015" xlink:type="arc"/>

<link:label id="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_E39DF95F223609E84C631E48EF8CAD7A_verboseLabel_en-US" xlink:label="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_E39DF95F223609E84C631E48EF8CAD7A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Stay And Transaction Bonuses And Other Accrued Liabilities </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities" xlink:label="loc_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_E39DF95F223609E84C631E48EF8CAD7A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_E39DF95F223609E84C631E48EF8CAD7A" xlink:to="lab_gff_DisposalGroupIncludingDiscontinuedOperationStayAndTransactionBonusesAndOtherAccruedLiabilities_E39DF95F223609E84C631E48EF8CAD7A" xlink:type="arc"/>

<link:label id="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032_totalLabel_en-US" xlink:label="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities of discontinued operations </link:label>

<link:label id="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032_label_en-US" xlink:label="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities Of Disposal Group Including Discontinued Operation Current And Noncurrent </link:label>

<link:label id="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032_documentation_en-US" xlink:label="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of current and non-current obligations arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation). </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent" xlink:label="loc_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:to="lab_gff_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAndNoncurrent_4C81826840B0613AC39A1E48EF8C0032" xlink:type="arc"/>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_5B8E5FAF7C717B09B8F518BD30F08BA4_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_5B8E5FAF7C717B09B8F518BD30F08BA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allocated shares </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_5B8E5FAF7C717B09B8F518BD30F08BA4_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares_5B8E5FAF7C717B09B8F518BD30F08BA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Number of Allocated Shares </link:label>

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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unallocated shares </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63" xlink:to="lab_us-gaap_EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares_0AE199D5EA21F53C622D18BD30F06B63" xlink:type="arc"/>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP_CD03834F9877783DAAF518BD30F0F092_totalLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP_CD03834F9877783DAAF518BD30F0F092" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Shares in ESOP </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP_CD03834F9877783DAAF518BD30F0F092_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP_CD03834F9877783DAAF518BD30F0F092" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Shares in ESOP </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP_CD03834F9877783DAAF518BD30F0F092" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_A698C87E56AB7D61B9C618BD30343D06_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_A698C87E56AB7D61B9C618BD30343D06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label>

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<link:label id="lab_us-gaap_StatementTable_D9A71B5B81EA6971B92618BD30346B4A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_D9A71B5B81EA6971B92618BD30346B4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>

<link:label id="lab_us-gaap_StatementTable_D9A71B5B81EA6971B92618BD30346B4A_label_en-US" xlink:label="lab_us-gaap_StatementTable_D9A71B5B81EA6971B92618BD30346B4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>

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<link:label id="lab_us-gaap_CommonStockMember_0F60011E4897AB558CEE18BD303438D9_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_0F60011E4897AB558CEE18BD303438D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock [Member] </link:label>

<link:label id="lab_us-gaap_CommonStockMember_0F60011E4897AB558CEE18BD303438D9_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_0F60011E4897AB558CEE18BD303438D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_0F60011E4897AB558CEE18BD303438D9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_0B1D239EF5C2FF68BDA618BD303458BF_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_0B1D239EF5C2FF68BDA618BD303458BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capital In Excess Of Par Value [Member] </link:label>

<link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_0B1D239EF5C2FF68BDA618BD303458BF_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_0B1D239EF5C2FF68BDA618BD303458BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid-in Capital [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_0B1D239EF5C2FF68BDA618BD303458BF" xlink:type="locator"/>

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<link:label id="lab_us-gaap_RetainedEarningsMember_49EB0302A17A0B59499618BD30349179_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_49EB0302A17A0B59499618BD30349179" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label>

<link:label id="lab_us-gaap_RetainedEarningsMember_49EB0302A17A0B59499618BD30349179_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_49EB0302A17A0B59499618BD30349179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_49EB0302A17A0B59499618BD30349179" xlink:type="locator"/>

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<link:label id="lab_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury Stock [Member] </link:label>

<link:label id="lab_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505" xlink:to="lab_us-gaap_TreasuryStockMember_5531A669085CD5D3FC7318BD30344505" xlink:type="arc"/>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7D8E7DF6E8D8B6C3902518BD3034920F_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7D8E7DF6E8D8B6C3902518BD3034920F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Member] </link:label>

<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7D8E7DF6E8D8B6C3902518BD3034920F_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7D8E7DF6E8D8B6C3902518BD3034920F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7D8E7DF6E8D8B6C3902518BD3034920F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_0FB65D893C1ACFE6B7F718BD30349D24_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_0FB65D893C1ACFE6B7F718BD30349D24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Compensation [Member] </link:label>

<link:label id="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_0FB65D893C1ACFE6B7F718BD30349D24_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_0FB65D893C1ACFE6B7F718BD30349D24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Compensation, Share-based Payments [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_0FB65D893C1ACFE6B7F718BD30349D24" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StatementLineItems_C77BF397C12EC71FF21218BD3034A9C0_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_C77BF397C12EC71FF21218BD3034A9C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>

<link:label id="lab_us-gaap_StatementLineItems_C77BF397C12EC71FF21218BD3034A9C0_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_C77BF397C12EC71FF21218BD3034A9C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_C77BF397C12EC71FF21218BD3034A9C0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_505E41F768364F02A00118BD303423BF_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_505E41F768364F02A00118BD303423BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_505E41F768364F02A00118BD303423BF_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_505E41F768364F02A00118BD303423BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>

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<link:label id="lab_us-gaap_SharesOutstanding_565ADF9B872D975FDCDA18BD3034A5D8_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharesOutstanding_565ADF9B872D975FDCDA18BD3034A5D8" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance (in Shares) </link:label>

<link:label id="lab_us-gaap_SharesOutstanding_565ADF9B872D975FDCDA18BD3034A5D8_label_en-US" xlink:label="lab_us-gaap_SharesOutstanding_565ADF9B872D975FDCDA18BD3034A5D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares, Outstanding </link:label>

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<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation_6A8E63BE8777513A4EE518BD3034E324_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation_6A8E63BE8777513A4EE518BD3034E324" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax effect from exercise/vesting of equity awards, net </link:label>

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<link:label id="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_5982A2C1AD5F58CCDE4F18BD304428F2_label_en-US" xlink:label="lab_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_5982A2C1AD5F58CCDE4F18BD304428F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments Related to Tax Withholding for Share-based Compensation </link:label>

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<link:label id="lab_us-gaap_AmortizationOfESOPAward_6A6A99024C1F13F5D82718BD3044C80C_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfESOPAward_6A6A99024C1F13F5D82718BD3044C80C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of deferred compensation </link:label>

<link:label id="lab_us-gaap_AmortizationOfESOPAward_6A6A99024C1F13F5D82718BD3044C80C_label_en-US" xlink:label="lab_us-gaap_AmortizationOfESOPAward_6A6A99024C1F13F5D82718BD3044C80C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of ESOP Award </link:label>

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<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_2825D1C467D2C927245418BD3044D913_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_2825D1C467D2C927245418BD3044D913" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, New Issues </link:label>

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<link:label id="lab_us-gaap_TreasuryStockSharesAcquired_1ACE2C243B3ABDA6AA6718BD30440235_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_1ACE2C243B3ABDA6AA6718BD30440235" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock acquired (in Shares) </link:label>

<link:label id="lab_us-gaap_TreasuryStockSharesAcquired_1ACE2C243B3ABDA6AA6718BD30440235_label_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_1ACE2C243B3ABDA6AA6718BD30440235" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Shares, Acquired </link:label>

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<link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_D37A7066A938ED92FC8318BD3044D251_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_D37A7066A938ED92FC8318BD3044D251" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Value, Acquired, Cost Method </link:label>

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<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_C24F07E957B485315D7718BD30445B1A_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_C24F07E957B485315D7718BD30445B1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity awards granted, net (in Shares) </link:label>

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<link:label id="lab_gff_AdjustmentToAdditionalPaidInCapitalPremiumOnSettlementOfConvertibleDebt_403A2991927D73187D8A18BD3044DF08_negatedTerseLabel_en-US" xlink:label="lab_gff_AdjustmentToAdditionalPaidInCapitalPremiumOnSettlementOfConvertibleDebt_403A2991927D73187D8A18BD3044DF08" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Premium on settlement of convertible debt </link:label>

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<link:label id="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741_negatedTerseLabel_en-US" xlink:label="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> ESOP purchase of common stock </link:label>

<link:label id="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741_label_en-US" xlink:label="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ESOP Purchase of Common Stock </link:label>

<link:label id="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741_documentation_en-US" xlink:label="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Adjustment to deferred ESOP compensation towards ESOP purchase of common stock. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ESOPPurchaseofCommonStock" xlink:label="loc_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:to="lab_gff_ESOPPurchaseofCommonStock_1EFE0A822BFE6DA1B0A618BD3044D741" xlink:type="arc"/>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ESOP allocation of common stock </link:label>

<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Gain (Loss) on Transactions in Deferred Shares </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB" xlink:to="lab_us-gaap_EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares_4F4C25D88876C75DA49018BD30444BCB" xlink:type="arc"/>

<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>

<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_B74ABF8E87115A78102918BD30448E26" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_5AAC92BCD61036F1154A18BD3044E4AE_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_5AAC92BCD61036F1154A18BD3044E4AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based consideration </link:label>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_5AAC92BCD61036F1154A18BD3044E4AE_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_5AAC92BCD61036F1154A18BD3044E4AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Purchase of Assets </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_5AAC92BCD61036F1154A18BD3044E4AE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SharesOutstanding_4C9078B4F341091950A518BD30446D5C_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharesOutstanding_4C9078B4F341091950A518BD30446D5C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance (in Shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_4C9078B4F341091950A518BD30446D5C" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StockholdersEquity_9AC8E86244FBA23E93DD18BD3044339A_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_9AC8E86244FBA23E93DD18BD3044339A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_9AC8E86244FBA23E93DD18BD3044339A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_9D83B533123BA85EC25518BD30A289BE_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_9D83B533123BA85EC25518BD30A289BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INCOME TAXES </link:label>

<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_9D83B533123BA85EC25518BD30A289BE_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_9D83B533123BA85EC25518BD30A289BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_9D83B533123BA85EC25518BD30A289BE" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_557DD962EC25115C2E4D18BD2F38EC85_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_557DD962EC25115C2E4D18BD2F38EC85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss), net of taxes </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_557DD962EC25115C2E4D18BD2F38EC85" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_D02817146AD50B4D0B6218BD2F387A07_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_D02817146AD50B4D0B6218BD2F387A07" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_D02817146AD50B4D0B6218BD2F387A07" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SubsequentEventsAbstract_4EAEFE7C6BE2C0A2489C18BD2FB7FD58_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_4EAEFE7C6BE2C0A2489C18BD2FB7FD58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_4EAEFE7C6BE2C0A2489C18BD2FB7FD58" xlink:type="locator"/>

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<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3_terseLabel_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SUBSEQUENT EVENTS (Details) [Table] </link:label>

<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3_label_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SUBSEQUENT EVENTS (Details) [Table] </link:label>

<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3_documentation_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_SUBSEQUENTEVENTSDetailsTable" xlink:label="loc_gff_SUBSEQUENTEVENTSDetailsTable_F44E9BC0B929FBA7C69B18BD2FB701C3" xlink:type="locator"/>

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<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6_terseLabel_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> SUBSEQUENT EVENTS (Details) [Line Items] </link:label>

<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6_label_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SUBSEQUENT EVENTS (Details) [Line Items] </link:label>

<link:label id="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6_documentation_en-US" xlink:label="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_SUBSEQUENTEVENTSDetailsLineItems" xlink:label="loc_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:to="lab_gff_SUBSEQUENTEVENTSDetailsLineItems_409BF57829BC35BEFA3018BD2FB74AD6" xlink:type="arc"/>

<link:label id="lab_us-gaap_DividendsPayableAmountPerShare_567374CC80F98EB360A918BD2FB7DD1D_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableAmountPerShare_567374CC80F98EB360A918BD2FB7DD1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends payable, amount per share (in Dollars per share) </link:label>

<link:label id="lab_us-gaap_DividendsPayableAmountPerShare_567374CC80F98EB360A918BD2FB7DD1D_label_en-US" xlink:label="lab_us-gaap_DividendsPayableAmountPerShare_567374CC80F98EB360A918BD2FB7DD1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Payable, Amount Per Share </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="loc_us-gaap_DividendsPayableAmountPerShare_567374CC80F98EB360A918BD2FB7DD1D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_LongTermDebtTextBlock_5322123DDFD728E2295118BD3015DAB8_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock_5322123DDFD728E2295118BD3015DAB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> NOTES PAYABLE, CAPITALIZED LEASES AND LONG-TERM DEBT </link:label>

<link:label id="lab_us-gaap_LongTermDebtTextBlock_5322123DDFD728E2295118BD3015DAB8_label_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock_5322123DDFD728E2295118BD3015DAB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="loc_us-gaap_LongTermDebtTextBlock_5322123DDFD728E2295118BD3015DAB8" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_BCFF64F52F2632DC0BBC18BD31CED112_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_BCFF64F52F2632DC0BBC18BD31CED112" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_BCFF64F52F2632DC0BBC18BD31CED112" xlink:type="locator"/>

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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1E8ED8CA9819375F981518BD31CE32A0_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1E8ED8CA9819375F981518BD31CE32A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities of continuing operations: </link:label>

<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1E8ED8CA9819375F981518BD31CE32A0_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1E8ED8CA9819375F981518BD31CE32A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1E8ED8CA9819375F981518BD31CE32A0" xlink:type="locator"/>

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<link:label id="lab_us-gaap_OtherDepreciationAndAmortization_71CE16140A6AB3CA4CCC18BD31CEDF94_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDepreciationAndAmortization_71CE16140A6AB3CA4CCC18BD31CEDF94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>

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<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_28F10D486F828713A40E18BD31DEEDB2_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_28F10D486F828713A40E18BD31DEEDB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs and Discounts </link:label>

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<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_E0E25D68E6F07169337218BD31DFEEDA_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_E0E25D68E6F07169337218BD31DFEEDA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Gain (loss) on sale/disposal of assets and investments </link:label>

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<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1D52E1D0BE84AA36B76218BD31DF7D21_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1D52E1D0BE84AA36B76218BD31DF7D21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in assets and liabilities, net of assets and liabilities acquired: </link:label>

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<link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_7F7EDD0E50E3DA8101D018BD31DF5805_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_7F7EDD0E50E3DA8101D018BD31DF5805" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> (Increase) decrease in accounts receivable and contract costs and recognized income not yet billed </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_7F7EDD0E50E3DA8101D018BD31DF5805_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_7F7EDD0E50E3DA8101D018BD31DF5805" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Receivables </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_7F7EDD0E50E3DA8101D018BD31DF5805" xlink:type="locator"/>

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<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_2C791E8EC8805C946B1518BD31DF8AE8_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_2C791E8EC8805C946B1518BD31DF8AE8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> (Increase) decrease in inventories </link:label>

<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_2C791E8EC8805C946B1518BD31DF8AE8_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_2C791E8EC8805C946B1518BD31DF8AE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Inventories </link:label>

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<link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3187CA64C82573684EF618BD31E5571F_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3187CA64C82573684EF618BD31E5571F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> (Increase) decrease in prepaid and other assets </link:label>

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<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_B3D1D348EC3E629F9CC318BD31E5BC1E_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_B3D1D348EC3E629F9CC318BD31E5BC1E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other changes, net </link:label>

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<link:label id="lab_us-gaap_PaymentsForProceedsFromInvestments_EA75331B3C6A8D07F8AF18BD31E6FCA2_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromInvestments_EA75331B3C6A8D07F8AF18BD31E6FCA2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Investment sales (purchases) </link:label>

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<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_73A047D2F6245AB8A89F18BD31E78204_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_73A047D2F6245AB8A89F18BD31E78204" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid </link:label>

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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_DA440D8D72C27AC9985E18BD3190B749_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_DA440D8D72C27AC9985E18BD3190B749" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impact of federal rate change on deferred tax balances </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_DA440D8D72C27AC9985E18BD3190B749" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings_AC7386F585851B3AB5B218BD31908081_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings_AC7386F585851B3AB5B218BD31908081" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings_AC7386F585851B3AB5B218BD31908081" xlink:type="locator"/>

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<link:label id="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445_terseLabel_en-US" xlink:label="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in valuation allowance </link:label>

<link:label id="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445_label_en-US" xlink:label="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation allowance on foreign tax credits </link:label>

<link:label id="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445_documentation_en-US" xlink:label="lab_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to valuation allowance. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_EffectiveIncomeTaxRateReconciliationValuationAllowance" xlink:label="loc_gff_EffectiveIncomeTaxRateReconciliationValuationAllowance_D687D6FEBBB8971106D618BD3190F445" xlink:type="locator"/>

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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment_D0EC42595D955C02A71218BD3190FF71_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment_D0EC42595D955C02A71218BD3190FF71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-deductible/non-taxable items, net </link:label>

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<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_C4AB099A3AA52C1F42A918BD319086B1_negatedLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_C4AB099A3AA52C1F42A918BD319086B1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Research credits </link:label>

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<link:label id="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_F60F0970D6486B6285AB18BD31800D88_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_F60F0970D6486B6285AB18BD31800D88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Assumptions Used </link:label>

<link:label id="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_F60F0970D6486B6285AB18BD31800D88_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_F60F0970D6486B6285AB18BD31800D88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Assumptions Used [Table Text Block] </link:label>

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<link:label id="lab_gff_ScheduleOfPlanAssetsAndBenefitObligationOfDefinedBenefitPlanTableTextBlock_C5708ED41D169CFA0C9D18BD31805192_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfPlanAssetsAndBenefitObligationOfDefinedBenefitPlanTableTextBlock_C5708ED41D169CFA0C9D18BD31805192" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Plan Assets And Benefit Obligation Of Defined Benefit Plan </link:label>

<link:label id="lab_gff_ScheduleOfPlanAssetsAndBenefitObligationOfDefinedBenefitPlanTableTextBlock_C5708ED41D169CFA0C9D18BD31805192_label_en-US" xlink:label="lab_gff_ScheduleOfPlanAssetsAndBenefitObligationOfDefinedBenefitPlanTableTextBlock_C5708ED41D169CFA0C9D18BD31805192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Plan Assets And Benefit Obligation Of Defined Benefit Plan [Table Text Block] </link:label>

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<link:label id="lab_gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock_7B7CEFA3B2AD41E11AD418BD3180D6B8_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock_7B7CEFA3B2AD41E11AD418BD3180D6B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Actual And Weighted Average Assets Allocation for Qualified Benefit plans </link:label>

<link:label id="lab_gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock_7B7CEFA3B2AD41E11AD418BD3180D6B8_label_en-US" xlink:label="lab_gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock_7B7CEFA3B2AD41E11AD418BD3180D6B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Actual And Weighted Average Assets Allocation For Qualified Benefit Plans [Table Text Block] </link:label>

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<link:loc xlink:href="gff-20180930.xsd#gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock" xlink:label="loc_gff_ScheduleOfActualAndWeightedAverageAssetsAllocationForQualifiedBenefitPlansTableTextBlock_7B7CEFA3B2AD41E11AD418BD3180D6B8" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_D2EFCC7DAD47A657DB0118BD31804FBC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_D2EFCC7DAD47A657DB0118BD31804FBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Expected Benefit Payments </link:label>

<link:label id="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_D2EFCC7DAD47A657DB0118BD31804FBC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_D2EFCC7DAD47A657DB0118BD31804FBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Expected Benefit Payments [Table Text Block] </link:label>

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<link:label id="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127_terseLabel_en-US" xlink:label="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule Of Fair Value Of Pension And Post Retirement Plan Assets By Asset Category </link:label>

<link:label id="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127_label_en-US" xlink:label="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Fair Value Of Pension And Post Retirement Plan Assets By Asset Category [Table Text Block] </link:label>

<link:label id="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127_documentation_en-US" xlink:label="lab_gff_ScheduleOfFairValueOfPensionAndPostRetirementPlanAssetsByAssetCategoryTableTextBlock_46C373424FB0BB4B92B318BD3180F127" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure for pension and post retirement plan assets by asset category. </link:label>

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<link:label id="lab_us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock_8075D124BF94F2D1C11E18BD3180D90D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock_8075D124BF94F2D1C11E18BD3180D90D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP) Disclosures </link:label>

<link:label id="lab_us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock_8075D124BF94F2D1C11E18BD3180D90D_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock_8075D124BF94F2D1C11E18BD3180D90D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] </link:label>

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<link:label id="lab_us-gaap_IncomeStatementAbstract_3D1FFBC935261AE9F83718BD2FA7DCCA_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_3D1FFBC935261AE9F83718BD2FA7DCCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>

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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_42CBA9E715A7B6120C9018BD2FA7DAEA_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_42CBA9E715A7B6120C9018BD2FA7DAEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue </link:label>

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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpenseAbstract_1EF326F742D505F8CE1018BD2FA7FCBA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpenseAbstract_1EF326F742D505F8CE1018BD2FA7FCBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other income (expense) </link:label>

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<link:label id="lab_us-gaap_InterestExpense_B9DB50FB1FB549E3B6EA18BD2FA74328_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_B9DB50FB1FB549E3B6EA18BD2FA74328" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>

<link:label id="lab_us-gaap_InterestExpense_B9DB50FB1FB549E3B6EA18BD2FA74328_label_en-US" xlink:label="lab_us-gaap_InterestExpense_B9DB50FB1FB549E3B6EA18BD2FA74328" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>

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<link:label id="lab_us-gaap_InvestmentIncomeInterest_82F9442753371D04A78918BD2FA71E50_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_82F9442753371D04A78918BD2FA71E50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>

<link:label id="lab_us-gaap_InvestmentIncomeInterest_82F9442753371D04A78918BD2FA71E50_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_82F9442753371D04A78918BD2FA71E50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Interest </link:label>

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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntityAbstract_87A63D7816E04D16DBA018BD2FA7CE98_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntityAbstract_87A63D7816E04D16DBA018BD2FA7CE98" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued operations: </link:label>

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<link:label id="lab_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finished goods </link:label>

<link:label id="lab_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Finished Goods, Gross </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487" xlink:to="lab_us-gaap_InventoryFinishedGoods_F6E7FE76DA79A2AF640218BD32D7D487" xlink:type="arc"/>

<link:label id="lab_us-gaap_InventoryNet_7A38B7F87231A766AF8018BD32D74B2E_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_7A38B7F87231A766AF8018BD32D74B2E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7A38B7F87231A766AF8018BD32D74B2E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_7A38B7F87231A766AF8018BD32D74B2E" xlink:to="lab_us-gaap_InventoryNet_7A38B7F87231A766AF8018BD32D74B2E" xlink:type="arc"/>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> PROPERTY, PLANT AND EQUIPMENT </link:label>

<link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF24A1A4A049673A5CD018BD31EDC0C4" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating leases, rent expense, net </link:label>

<link:label id="lab_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Rent Expense, Net </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E" xlink:to="lab_us-gaap_OperatingLeasesRentExpenseNet_0503EB3BB9947BB1DED118BD2F67799E" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases in 2018 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Next Twelve Months </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_76E0B2AF3A3550F6B21518BD2F6760AF" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases in 2019 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_977A351B35864383FEDD18BD2F673743" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases in 2020 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_1FCDD3F79B633942BEC718BD2F67DA23" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases in 2021 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Four Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_08287F80EA67A64E6D8218BD2F671682" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases in 2022 </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Five Years </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3A2C88866416CD6C897118BD2F67ADA5" xlink:type="arc"/>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate future minimum lease payments for operating leases thereafter </link:label>

<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due Thereafter </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_0F729EF327DA1B93B77E18BD2F67740F" xlink:type="arc"/>

<link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase obligation, due in next twelve months </link:label>

<link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Next Twelve Months </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333" xlink:to="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_5ED85640A5F60BC1C9D518BD2F672333" xlink:type="arc"/>

<link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase obligation due in second year </link:label>

<link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Second Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligationDueInSecondYear" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404" xlink:to="lab_us-gaap_PurchaseObligationDueInSecondYear_70DBF751DFCEC1AB9FE818BD2F67A404" xlink:type="arc"/>

<link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase obligation due in third year </link:label>

<link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Third Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligationDueInThirdYear" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10" xlink:to="lab_us-gaap_PurchaseObligationDueInThirdYear_B89DC84DDB7DEF94A82E18BD2F670A10" xlink:type="arc"/>

<link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase obligation due in fourth year </link:label>

<link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Fourth Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligationDueInFourthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6" xlink:to="lab_us-gaap_PurchaseObligationDueInFourthYear_F2093BF12AB32191473318BD2F6754E6" xlink:type="arc"/>

<link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase obligation due in fifth year </link:label>

<link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Fifth Year </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligationDueInFifthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5" xlink:to="lab_us-gaap_PurchaseObligationDueInFifthYear_D7C6906C58A26FE35FDB18BD2F67A2B5" xlink:type="arc"/>

<link:label id="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7_terseLabel_en-US" xlink:label="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net capital cost value </link:label>

<link:label id="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7_label_en-US" xlink:label="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Capital Cost Value </link:label>

<link:label id="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7_documentation_en-US" xlink:label="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of net capital cost value as of the reporting date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NetCapitalCostValue" xlink:label="loc_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:to="lab_gff_NetCapitalCostValue_6661121D5F72E7FFE5D718BD2F67FFB7" xlink:type="arc"/>

<link:label id="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804_terseLabel_en-US" xlink:label="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligation under consent order </link:label>

<link:label id="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804_label_en-US" xlink:label="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Obligation Under Consent Order </link:label>

<link:label id="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804_documentation_en-US" xlink:label="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Obligation under consent order. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_ObligationUnderConsentOrder" xlink:label="loc_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:to="lab_gff_ObligationUnderConsentOrder_2D8D0BFF229B3DC64E1418BD2F674804" xlink:type="arc"/>

<link:label id="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84_terseLabel_en-US" xlink:label="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net capital cost value in proposed remedial action plan </link:label>

<link:label id="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84_label_en-US" xlink:label="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Capital Cost Value In Proposed Remedial Action Plan </link:label>

<link:label id="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84_documentation_en-US" xlink:label="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of net capital cost value in Proposed Remedial Action Plan as of the reporting date. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_NetCapitalCostValueInProposedRemedialActionPlan" xlink:label="loc_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:to="lab_gff_NetCapitalCostValueInProposedRemedialActionPlan_14EF8F9EBA4B7FE6284918BD2F677D84" xlink:type="arc"/>

<link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RELATED PARTIES </link:label>

<link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transactions Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_6295C45B5981E71DEB0C18BD31515613" xlink:type="arc"/>

<link:label id="lab_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> WARRANTY LIABILITY </link:label>

<link:label id="lab_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Warranty Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyDisclosureTextBlock" xlink:label="loc_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A" xlink:to="lab_us-gaap_ProductWarrantyDisclosureTextBlock_068D1AA0AE80AFE4E08F18BD3072EA4A" xlink:type="arc"/>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB_terseLabel_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Details) [Table] </link:label>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB_label_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Details) [Table] </link:label>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB_documentation_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable" xlink:label="loc_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:to="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsTable_C0818E604DB34DF2B89D18BD312236BB" xlink:type="arc"/>

<link:label id="lab_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name [Axis] </link:label>

<link:label id="lab_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79_label_en-US" xlink:label="lab_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79" xlink:to="lab_us-gaap_PlanNameAxis_D6949E42D5550CD0C16318BD3122DC79" xlink:type="arc"/>

<link:label id="lab_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan Name [Domain] </link:label>

<link:label id="lab_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992_label_en-US" xlink:label="lab_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992" xlink:to="lab_us-gaap_PlanNameDomain_5CEC2873234BFE51352018BD31228992" xlink:type="arc"/>

<link:label id="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441_terseLabel_en-US" xlink:label="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Incentive Plan [Member] </link:label>

<link:label id="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441_label_en-US" xlink:label="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incentive Plan [Member] </link:label>

<link:label id="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441_documentation_en-US" xlink:label="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Incentive Plan Member. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_IncentivePlanMember" xlink:label="loc_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:to="lab_gff_IncentivePlanMember_448B6AC5027488967FA818BD3122F441" xlink:type="arc"/>

<link:label id="lab_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD_terseLabel_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>

<link:label id="lab_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD" xlink:to="lab_us-gaap_StatementScenarioAxis_B0A91935748A471BDB8C18BD3122D1BD" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>

<link:label id="lab_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903_label_en-US" xlink:label="lab_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Unspecified [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903" xlink:to="lab_us-gaap_ScenarioUnspecifiedDomain_31B52FFF1136D9F55CB018BD31224903" xlink:type="arc"/>

<link:label id="lab_us-gaap_ScenarioForecastMember_7E3D7EAF9FE818A56BD518BD31225D50_terseLabel_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_7E3D7EAF9FE818A56BD518BD31225D50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Scenario, Forecast [Member] </link:label>

<link:label id="lab_us-gaap_ScenarioForecastMember_7E3D7EAF9FE818A56BD518BD31225D50_label_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_7E3D7EAF9FE818A56BD518BD31225D50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Forecast [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_7E3D7EAF9FE818A56BD518BD31225D50" xlink:type="locator"/>

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<link:label id="lab_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9_terseLabel_en-US" xlink:label="lab_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Title of Individual [Axis] </link:label>

<link:label id="lab_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9_label_en-US" xlink:label="lab_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of Individual [Axis] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9" xlink:to="lab_us-gaap_TitleOfIndividualAxis_6C534C88DEE9B644810718BD3122B7D9" xlink:type="arc"/>

<link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225_terseLabel_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Relationship to Entity [Domain] </link:label>

<link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225_label_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Relationship to Entity [Domain] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225" xlink:to="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_60E62F1CF46CA75A8A8718BD3122E225" xlink:type="arc"/>

<link:label id="lab_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA_terseLabel_en-US" xlink:label="lab_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Executive Officer [Member] </link:label>

<link:label id="lab_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA_label_en-US" xlink:label="lab_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Executive Officer [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ExecutiveOfficerMember" xlink:label="loc_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA" xlink:to="lab_us-gaap_ExecutiveOfficerMember_BC68BFD0E9AB26FF9E5F18BD3122C8DA" xlink:type="arc"/>

<link:label id="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467_terseLabel_en-US" xlink:label="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Incentive Stock Options [Member] </link:label>

<link:label id="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467_label_en-US" xlink:label="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incentive Stock Options [Member] </link:label>

<link:label id="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467_documentation_en-US" xlink:label="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Incentive Stock Options Member. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_IncentiveStockOptionsMember" xlink:label="loc_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:to="lab_gff_IncentiveStockOptionsMember_63CB9B82B19F035C910118BD31225467" xlink:type="arc"/>

<link:label id="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F_terseLabel_en-US" xlink:label="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2006 Equity Incentive Plan [Member] </link:label>

<link:label id="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F_label_en-US" xlink:label="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Two Thousand Six Equity Incentive Plan [Member] </link:label>

<link:label id="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F_documentation_en-US" xlink:label="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Two thousand six equity incentive plan. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_TwoThousandSixEquityIncentivePlanMember" xlink:label="loc_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:to="lab_gff_TwoThousandSixEquityIncentivePlanMember_5C05DC94F08700EC495F18BD3122831F" xlink:type="arc"/>

<link:label id="lab_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance Shares [Member] </link:label>

<link:label id="lab_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Shares [Member] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F" xlink:to="lab_us-gaap_PerformanceSharesMember_94BE68C9DD7E988A3E0418BD3122AE4F" xlink:type="arc"/>

<link:label id="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1_terseLabel_en-US" xlink:label="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Stock and Performance Shares [Member] </link:label>

<link:label id="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1_label_en-US" xlink:label="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock and Performance Shares [Member] </link:label>

<link:label id="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1_documentation_en-US" xlink:label="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Restricted Stock and Performance Shares [Member] </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_RestrictedStockandPerformanceSharesMember" xlink:label="loc_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:to="lab_gff_RestrictedStockandPerformanceSharesMember_31CEBCBE408D5321B01C18BD3122C3C1" xlink:type="arc"/>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485_terseLabel_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Details) [Line Items] </link:label>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485_label_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Details) [Line Items] </link:label>

<link:label id="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485_documentation_en-US" xlink:label="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"/>

<link:loc xlink:href="gff-20180930.xsd#gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems" xlink:label="loc_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:to="lab_gff_STOCKHOLDERSEQUITYANDEQUITYCOMPENSATIONDetailsLineItems_81CDCD53A75FD9F03DFF18BD31223485" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_77415250A4E7FF372B5C18BD3122FDD2_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_77415250A4E7FF372B5C18BD3122FDD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options Outstanding & Exercisable Shares (in Shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_77415250A4E7FF372B5C18BD3122FDD2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_77415250A4E7FF372B5C18BD3122FDD2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_77415250A4E7FF372B5C18BD3122FDD2" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C0E77166279FCF6FDBE218BD312242EB_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C0E77166279FCF6FDBE218BD312242EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options Outstanding & Exercisable Weighted Average Exercise Price (in Dollars per Share) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C0E77166279FCF6FDBE218BD312242EB" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C0E77166279FCF6FDBE218BD312242EB" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_C0E77166279FCF6FDBE218BD312242EB" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment award, description </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Description </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_97904313870C3CC871B318BD312269C8" xlink:type="arc"/>

<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment award, expiration period </link:label>

<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_4445B364E154941C9E1418BD31226789" xlink:type="arc"/>

<link:label id="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67_terseLabel_en-US" xlink:label="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum percentage of exercise price at grant date fair value </link:label>

<link:label id="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67_label_en-US" xlink:label="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum Percentage Of Exercise Price At Grand Date Fair Value </link:label>

<link:label id="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67_documentation_en-US" xlink:label="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum percentage of exercise price at grand date fair value. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue" xlink:label="loc_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:to="lab_gff_MaximumPercentageOfExercisePriceAtGrandDateFairValue_73E954A75B167BEAF09A18BD31229A67" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment award, number of shares authorized (in Shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_24D8ABDA277497F0B1BD18BD31227035" xlink:type="arc"/>

<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1AA93993BEED2D46AFFE18BD3122F2D1_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1AA93993BEED2D46AFFE18BD3122F2D1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Stock issued during period, shares, new issues (in Shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1AA93993BEED2D46AFFE18BD3122F2D1" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1AA93993BEED2D46AFFE18BD3122F2D1" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1AA93993BEED2D46AFFE18BD3122F2D1" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based payment award, number of shares available for grant (in Shares) </link:label>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_8312B262184911E4BC2118BD31220C8F" xlink:type="arc"/>

<link:label id="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A_terseLabel_en-US" xlink:label="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share based payment award equity instruments other than options additional grants in future (in Shares) </link:label>

<link:label id="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A_label_en-US" xlink:label="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Additional Grants In Future </link:label>

<link:label id="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A_documentation_en-US" xlink:label="lab_gff_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsInFuture_84E955C211FCE3D8049818BD3122CF1A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share based compensation arrangement by share based payment award equity instrument other than options additional grants in future. </link:label>

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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_411FD7F98CD7AC85B19E18BD3122C7CD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_411FD7F98CD7AC85B19E18BD3122C7CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Instruments grants in period (in shares) </link:label>

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<link:label id="lab_gff_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofPersonsGrantedShares_8CAA9A7719970E1307DB18BD3122874D_terseLabel_en-US" xlink:label="lab_gff_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofPersonsGrantedShares_8CAA9A7719970E1307DB18BD3122874D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Instruments number of persons granted shares (in shares) </link:label>

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<link:label id="lab_us-gaap_StockRepurchasedDuringPeriodValue_B8BE8B0AFBEB27C7FB0E18BD3122A576_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue_B8BE8B0AFBEB27C7FB0E18BD3122A576" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased During Period, Value </link:label>

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<link:label id="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6_terseLabel_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased during period per share (in Dollars per share) </link:label>

<link:label id="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6_label_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased During Period Per Share </link:label>

<link:label id="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6_documentation_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The price per share of the common shares repurchased during the period. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_StockRepurchasedDuringPeriodPerShare" xlink:label="loc_gff_StockRepurchasedDuringPeriodPerShare_B4BA68D37389C14A562F18BD312202B6" xlink:type="locator"/>

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<link:label id="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80_terseLabel_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchased during period, share price discount rate </link:label>

<link:label id="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80_label_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchased During Period, Share Price Discount Rate </link:label>

<link:label id="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80_documentation_en-US" xlink:label="lab_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Stock Repurchased During Period, Share Price Discount Rate </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_StockRepurchasedDuringPeriodSharePriceDiscountRate" xlink:label="loc_gff_StockRepurchasedDuringPeriodSharePriceDiscountRate_C362C75F3513D367C3D218BD3122DE80" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7E2F30E96810533F4B5618BD31229550_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7E2F30E96810533F4B5618BD31229550" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, authorized amount </link:label>

<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7E2F30E96810533F4B5618BD31229550_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7E2F30E96810533F4B5618BD31229550" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Authorized Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7E2F30E96810533F4B5618BD31229550" xlink:type="locator"/>

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<link:label id="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, remaining authorized repurchase amount </link:label>

<link:label id="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Remaining Authorized Repurchase Amount </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA" xlink:to="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_009E673BC915772CF61E18BD3122EEEA" xlink:type="arc"/>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43_terseLabel_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares paid for tax withholding for share based compensation, value </link:label>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43_label_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Paid For Tax Withholding For Share Based Compensation Value </link:label>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43_documentation_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Value of shares paid for employee tax withholding. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue" xlink:label="loc_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:to="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValue_EB5B188173C14F0F0E3718BD31229C43" xlink:type="arc"/>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1_terseLabel_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares paid for tax withholding for share based compensation, value per share (in Dollars per share) </link:label>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1_label_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares Paid For Tax Withholding For Share Based Compensation Value Per Share </link:label>

<link:label id="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1_documentation_en-US" xlink:label="lab_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Shares paid for employee tax withholding. </link:label>

<link:loc xlink:href="gff-20180930.xsd#gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare" xlink:label="loc_gff_SharesPaidForTaxWithholdingForShareBasedCompensationValuePerShare_54D8B857FB5A5949B29E18BD3122ADB1" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3E522E11467FB7959FA918BD312288B2_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3E522E11467FB7959FA918BD312288B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Instruments vested in period (in shares) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3E522E11467FB7959FA918BD312288B2" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3E522E11467FB7959FA918BD312288B2" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3E522E11467FB7959FA918BD312288B2" xlink:type="arc"/>

<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D78646E4F33AAD44039318BD3122A870_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D78646E4F33AAD44039318BD3122A870" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D78646E4F33AAD44039318BD3122A870" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D78646E4F33AAD44039318BD3122A870" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_D78646E4F33AAD44039318BD3122A870" xlink:type="arc"/>

<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_5ED2BB636616D965B8EB18BD31325926_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_5ED2BB636616D965B8EB18BD31325926" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_5ED2BB636616D965B8EB18BD31325926" xlink:type="locator"/>

<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_5ED2BB636616D965B8EB18BD31325926" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_5ED2BB636616D965B8EB18BD31325926" xlink:type="arc"/>

<link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_D53C38298123C8B0D2A618BD313279AC_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_D53C38298123C8B0D2A618BD313279AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Declared </link:label>

<link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_D53C38298123C8B0D2A618BD313279AC_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_D53C38298123C8B0D2A618BD313279AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Declared </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_D53C38298123C8B0D2A618BD313279AC" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DividendsCommonStockCash_4824A2147FC86E9718C918BD31320829_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_4824A2147FC86E9718C918BD31320829" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label>

<link:label id="lab_us-gaap_DividendsCommonStockCash_4824A2147FC86E9718C918BD31320829_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_4824A2147FC86E9718C918BD31320829" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_4824A2147FC86E9718C918BD31320829" xlink:type="locator"/>

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<link:label id="lab_us-gaap_PaymentsOfDividends_807711A4814FFA01880B18BD3132222A_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_807711A4814FFA01880B18BD3132222A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments of Dividends </link:label>

<link:label id="lab_us-gaap_PaymentsOfDividends_807711A4814FFA01880B18BD3132222A_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_807711A4814FFA01880B18BD3132222A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Dividends </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_807711A4814FFA01880B18BD3132222A" xlink:type="locator"/>

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<link:label id="lab_us-gaap_InventoryDisclosureTextBlock_CE6D2F40C87A475849BF18BD321BAAC9_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_CE6D2F40C87A475849BF18BD321BAAC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> INVENTORIES </link:label>

<link:label id="lab_us-gaap_InventoryDisclosureTextBlock_CE6D2F40C87A475849BF18BD321BAAC9_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureTextBlock_CE6D2F40C87A475849BF18BD321BAAC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_CE6D2F40C87A475849BF18BD321BAAC9" xlink:type="locator"/>

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<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_F156009319B96E2DD2B918BD2F57A3B0_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_F156009319B96E2DD2B918BD2F57A3B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> DISCONTINUED OPERATIONS </link:label>

<link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_F156009319B96E2DD2B918BD2F57A3B0_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_F156009319B96E2DD2B918BD2F57A3B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] </link:label>

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<link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_D3D2D2EEEAEA755FD34518BD30157B15_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_D3D2D2EEEAEA755FD34518BD30157B15" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Present value of net minimum lease payments </link:label>

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<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_00711D2A7080C0C361A118BD2F482DF5_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_00711D2A7080C0C361A118BD2F482DF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additions based on tax positions related to prior years </link:label>

<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_00711D2A7080C0C361A118BD2F482DF5_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_00711D2A7080C0C361A118BD2F482DF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions </link:label>

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<link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_D49C26823F2B43CA32A318BD2F4886D9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_D49C26823F2B43CA32A318BD2F4886D9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Reductions based on tax positions related to prior years </link:label>

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<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_CE0EEC2135CB8458F62B18BD310D8B5A_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_CE0EEC2135CB8458F62B18BD310D8B5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>

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<link:label id="lab_us-gaap_GoodwillLineItems_9D4BB8A60A5B3A5FF10018BD310EE775_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_9D4BB8A60A5B3A5FF10018BD310EE775" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>

<link:label id="lab_us-gaap_GoodwillLineItems_9D4BB8A60A5B3A5FF10018BD310EE775_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_9D4BB8A60A5B3A5FF10018BD310EE775" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>

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<link:label id="lab_us-gaap_GoodwillRollForward_CCD7EC566052067FA97718BD310E3C2F_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_CCD7EC566052067FA97718BD310E3C2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>

<link:label id="lab_us-gaap_GoodwillRollForward_CCD7EC566052067FA97718BD310E3C2F_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_CCD7EC566052067FA97718BD310E3C2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_CCD7EC566052067FA97718BD310E3C2F" xlink:type="locator"/>

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<link:label id="lab_us-gaap_Goodwill_E6F78E7499F3801B2A9418BD310F8200_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_E6F78E7499F3801B2A9418BD310F8200" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_E6F78E7499F3801B2A9418BD310F8200" xlink:type="locator"/>

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<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_20039A9C6A54D42EE2E418BD310FDBEA_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_20039A9C6A54D42EE2E418BD310FDBEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill from acquisitions </link:label>

<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_20039A9C6A54D42EE2E418BD310FDBEA_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_20039A9C6A54D42EE2E418BD310FDBEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Acquired During Period </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_20039A9C6A54D42EE2E418BD310FDBEA" xlink:type="locator"/>

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<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3968747AE151599303E718BD310F8942_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3968747AE151599303E718BD310F8942" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustments </link:label>

<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3968747AE151599303E718BD310F8942_label_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3968747AE151599303E718BD310F8942" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Foreign Currency Translation Gain (Loss) </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3968747AE151599303E718BD310F8942" xlink:type="locator"/>

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<link:label id="lab_us-gaap_Goodwill_589179C159C38E0F2B9718BD3110A90D_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_589179C159C38E0F2B9718BD3110A90D" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_589179C159C38E0F2B9718BD3110A90D" xlink:type="locator"/>

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<link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_4364869BF9D9B939259E18BD30449801_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_4364869BF9D9B939259E18BD30449801" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> REPORTABLE SEGMENTS </link:label>

<link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_4364869BF9D9B939259E18BD30449801_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_4364869BF9D9B939259E18BD30449801" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_4364869BF9D9B939259E18BD30449801" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_562468FBD9A8C8B5BF6318BD30E153D7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_562468FBD9A8C8B5BF6318BD30E153D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Accrued Liabilities </link:label>

<link:label id="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_562468FBD9A8C8B5BF6318BD30E153D7_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_562468FBD9A8C8B5BF6318BD30E153D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accrued Liabilities [Table Text Block] </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_562468FBD9A8C8B5BF6318BD30E153D7" xlink:type="locator"/>

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<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_2614E236382C944C40B918BD30A2F3F1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_2614E236382C944C40B918BD30A2F3F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory, Current </link:label>

<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_2614E236382C944C40B918BD30A2F3F1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_2614E236382C944C40B918BD30A2F3F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory, Current [Table Text Block] </link:label>

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5 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/16/23  Griffon Corp.                     10-K        9/30/23  136:17M
11/26/19  SEC                               UPLOAD¶    12/26/19    2:45K  Griffon Corp.
 9/04/19  SEC                               UPLOAD¶    12/26/19    2:50K  Griffon Corp.
 6/25/19  SEC                               UPLOAD¶    12/26/19    2:47K  Griffon Corp.
 5/08/19  SEC                               UPLOAD¶    12/26/19    2:55K  Griffon Corp.

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