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  <xs:element id="gff_IncentiveStockOptionsMember" abstract="false" name="IncentiveStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_SeniorExecutivesMember" abstract="true" name="SeniorExecutivesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_CommercialConstructionMember" abstract="true" name="CommercialConstructionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_HomeAndBuildingProductsMember" abstract="false" name="HomeAndBuildingProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_BenefitsLossesAndExpensesNonCash" abstract="false" name="BenefitsLossesAndExpensesNonCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="gff_ConsumerAndProfessionalProductsMember" abstract="true" name="ConsumerAndProfessionalProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_InventoryWriteDownMember" abstract="true" name="InventoryWriteDownMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="gff_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilityNotesPayableAndCurrentPortionOfLongTermDebt" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilityNotesPayableAndCurrentPortionOfLongTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="gff_SiteContingencyOwnershipPeriod" abstract="false" name="SiteContingencyOwnershipPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gff_SiteContingencySiteVacantPeriod" abstract="false" name="SiteContingencySiteVacantPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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</xs:schema>
