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        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="bxc_RecognitionOfDeferredGainsFromRealEstate" abstract="false" name="RecognitionOfDeferredGainsFromRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent" abstract="false" name="FinanceLeaseObligationsAndRealEstateDeferredGainCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent" abstract="false" name="FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_CommonStockSharesIssuedNotDisclosed" abstract="false" name="CommonStockSharesIssuedNotDisclosed" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:booleanItemType"/>
  <xs:element id="bxc_ProceedsFromSalesAndInsuranceRecoveriesForPropertyAndEquipment" abstract="false" name="ProceedsFromSalesAndInsuranceRecoveriesForPropertyAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_ShareBasedPaymentArrangementStockRepurchasedDuringPeriodNotYetSettled" abstract="false" name="ShareBasedPaymentArrangementStockRepurchasedDuringPeriodNotYetSettled" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_ShareBasedPaymentArrangementShareRepurchaseForTaxWithholdingObligationAccrual" abstract="false" name="ShareBasedPaymentArrangementShareRepurchaseForTaxWithholdingObligationAccrual" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_DisderoLumberCompanyLLCMember" abstract="true" name="DisderoLumberCompanyLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedLiabilityAssumedAccruedCompensation" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedAccruedCompensation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseObligationsCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseObligationsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseObligationsCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseObligationsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseObligationsNoncurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedOperatingLeaseObligationsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseObligationsNoncurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedFinanceLeaseObligationsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssetAcquiredToLiabilityAssumedExcessLessAndGoodwill" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssetAcquiredToLiabilityAssumedExcessLessAndGoodwill" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_InventoryAdjustmentsRefund" abstract="false" name="InventoryAdjustmentsRefund" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_InventoryAdjustmentsRefundInterest" abstract="false" name="InventoryAdjustmentsRefundInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_InventoryAdjustmentsDuringPeriod" abstract="false" name="InventoryAdjustmentsDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_SpecialtyProductsMember" abstract="true" name="SpecialtyProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_StructuralProductsMember" abstract="true" name="StructuralProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_SalesChannelWarehouseMember" abstract="true" name="SalesChannelWarehouseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_SalesChannelDirectMember" abstract="true" name="SalesChannelDirectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_AdjustmentForSalesDiscountsReturnsAndAllowancesGoodsMember" abstract="true" name="AdjustmentForSalesDiscountsReturnsAndAllowancesGoodsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_A60SeniorSecuredNotesDue2029Member" abstract="true" name="A60SeniorSecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_LineOfCreditFacilityPotentialIncreaseToBorrowingCapacity" abstract="false" name="LineOfCreditFacilityPotentialIncreaseToBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_FinanceLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="FinanceLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_UnpaidDutiesMember" abstract="true" name="UnpaidDutiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_UnfavorableRegulatoryActionLumberOriginsMember" abstract="true" name="UnfavorableRegulatoryActionLumberOriginsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_PercentageOfEmployeesRepresentedByVariousLaborUnions" abstract="false" name="PercentageOfEmployeesRepresentedByVariousLaborUnions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxc_NumberOfCollectiveBargainingAgreementsRenewalsInNextFiscalYear" abstract="false" name="NumberOfCollectiveBargainingAgreementsRenewalsInNextFiscalYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxc_PercentageOfEmployeesRepresentedAreUpForRenewal" abstract="false" name="PercentageOfEmployeesRepresentedAreUpForRenewal" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="bxc_StockRepurchasedDuringPeriodAveragePricePerShare" abstract="false" name="StockRepurchasedDuringPeriodAveragePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="bxc_StockRepurchasedAndRetiredDuringPeriodExcludingFederalExciseTaxesValue" abstract="false" name="StockRepurchasedAndRetiredDuringPeriodExcludingFederalExciseTaxesValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_DeliveryAndLogisticsMember" abstract="true" name="DeliveryAndLogisticsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_SalesCostsMember" abstract="true" name="SalesCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_SeveranceExpensesAndProfessionalServicesFees" abstract="false" name="SeveranceExpensesAndProfessionalServicesFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
