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  <xs:element id="apog_TwoThousandandNineteenStockIncentivePlanMember" abstract="false" name="TwoThousandandNineteenStockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="apog_TwoThousandandNineteenNonEmployeeDirectorStockPlanMember" abstract="false" name="TwoThousandandNineteenNonEmployeeDirectorStockPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="apog_NumberOfPerformancePeriods" abstract="false" name="NumberOfPerformancePeriods" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="apog_TargetNumberOfPerformanceShares" abstract="false" name="TargetNumberOfPerformanceShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="apog_RestrictedStockAndRestrictedStockUnitsMember" abstract="true" name="RestrictedStockAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="apog_EffectiveIncomeTaxRateReconciliationIncreaseDecreasePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncreaseDecreasePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="apog_UnrecognizedTaxBenefitsThatWouldImpactDeferredTaxes" abstract="false" name="UnrecognizedTaxBenefitsThatWouldImpactDeferredTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_NontaxableGainLossOnLifeInsurancePolicies" abstract="false" name="NontaxableGainLossOnLifeInsurancePolicies" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="apog_EffectiveIncomeTaxRateReconciliationDeductionForWorthlessStockLoss" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeductionForWorthlessStockLoss" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="apog_DeferredTaxAssetsLiabilitiesTaxDeferredExpenseReservesAndAccrualsOtherNonCurrent" abstract="false" name="DeferredTaxAssetsLiabilitiesTaxDeferredExpenseReservesAndAccrualsOtherNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxAssetsLiabilitiesTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCostNonCurrent" abstract="false" name="DeferredTaxAssetsLiabilitiesTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCostNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_UnrecognizedTaxBenefitsNonCurrent" abstract="false" name="UnrecognizedTaxBenefitsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxAssetsOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxAssetsOperatingLossCarryforwardsNonCurrent" abstract="false" name="DeferredTaxAssetsOperatingLossCarryforwardsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxAssetsLiabilitiesOtherNonCurrent" abstract="false" name="DeferredTaxAssetsLiabilitiesOtherNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxLiabilitiesOperatingLeaseAssets" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_DeferredTaxLiabilitiesBadDebt" abstract="false" name="DeferredTaxLiabilitiesBadDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_ProjectFortifyMember" abstract="true" name="ProjectFortifyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="apog_CostOfGoodsAndServicesSoldAdjusted" abstract="false" name="CostOfGoodsAndServicesSoldAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_SellingGeneralAndAdministrativeExpenseAdjusted" abstract="false" name="SellingGeneralAndAdministrativeExpenseAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_OtherNonoperatingIncomeExpenseAdjusted" abstract="false" name="OtherNonoperatingIncomeExpenseAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_EarningsBeforeInterestTaxAdjusted" abstract="false" name="EarningsBeforeInterestTaxAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_AcquisitionRestructuringAndImpairmentCosts" abstract="false" name="AcquisitionRestructuringAndImpairmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="apog_EarningsBeforeInterestAndTaxAdjusted" abstract="false" name="EarningsBeforeInterestAndTaxAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_CorporateAndOtherExpenses" abstract="false" name="CorporateAndOtherExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_CustomerRelationshipsPortionOneMember" abstract="true" name="CustomerRelationshipsPortionOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="apog_CustomerRelationshipsPortionTwoMember" abstract="true" name="CustomerRelationshipsPortionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="apog_BusinessCombinationNetWorkingCapitalAdjustment" abstract="false" name="BusinessCombinationNetWorkingCapitalAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationInventoryStepUpExpense" abstract="false" name="BusinessCombinationInventoryStepUpExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensationAndBenefits" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensationAndBenefits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilitiesNoncurrent" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_BusinessAcquisitionProFormaEarningsPerShareAbstract" abstract="true" name="BusinessAcquisitionProFormaEarningsPerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="apog_RestructuringAndRelatedCostAnnualizedCostSavings" abstract="false" name="RestructuringAndRelatedCostAnnualizedCostSavings" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_NumberOfFacilitiesClosed" abstract="false" name="NumberOfFacilitiesClosed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="apog_CarryingValuePropertyHeldForSale" abstract="false" name="CarryingValuePropertyHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="apog_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" abstract="false" name="RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
