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  <xs:element id="bxc_ProceedsFromAssetSalesAndInsuranceRecoveries" abstract="false" name="ProceedsFromAssetSalesAndInsuranceRecoveries" 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_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <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_SpecialtyProductsMember" abstract="true" name="SpecialtyProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_StructuralProductsMember" abstract="true" name="StructuralProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_SalesChannelWarehouseMember" abstract="true" name="SalesChannelWarehouseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_SalesChannelDirectMember" abstract="true" name="SalesChannelDirectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_AdjustmentForSalesDiscountsReturnsAndAllowancesGoodsMember" abstract="true" name="AdjustmentForSalesDiscountsReturnsAndAllowancesGoodsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_A60SeniorSecuredNotesDue2029Member" abstract="true" name="A60SeniorSecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_InterestExpenseImportDuties" abstract="false" name="InterestExpenseImportDuties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_LesseeLeasesNumberOfOptionsToExtend" abstract="false" name="LesseeLeasesNumberOfOptionsToExtend" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bxc_SaleLeasebackTransactionUnamortizedDeferredGainGross" abstract="false" name="SaleLeasebackTransactionUnamortizedDeferredGainGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_LesseeRightOfUseAssetAbstract" abstract="true" name="LesseeRightOfUseAssetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxc_LesseeRightOfUseAsset" abstract="false" name="LesseeRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_LesseeLeaseLiabilitiesCurrentAbstract" abstract="true" name="LesseeLeaseLiabilitiesCurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxc_LesseeLeaseLiabilitiesNoncurrentAbstract" abstract="true" name="LesseeLeaseLiabilitiesNoncurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxc_LesseeLeaseLiabilities" abstract="false" name="LesseeLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_FinanceLeaseCost" abstract="false" name="FinanceLeaseCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bxc_EquipmentAndVehiclesMemberMember" abstract="true" name="EquipmentAndVehiclesMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="bxc_WeightedAverageRemainingLeaseTermAbstract" abstract="true" name="WeightedAverageRemainingLeaseTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bxc_WeightedAverageDiscountRateAbstract" abstract="true" name="WeightedAverageDiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <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_UnfavorableRegulatoryActionLumberOriginsMember" abstract="true" name="UnfavorableRegulatoryActionLumberOriginsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bxc_UnfavorableRegulatoryActionUnderpaidDutiesMember" abstract="true" name="UnfavorableRegulatoryActionUnderpaidDutiesMember" 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-types1: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-types1:percentItemType"/>
  <xs:element id="bxc_StockRepurchasedDuringPeriodAveragePricePerShare" abstract="false" name="StockRepurchasedDuringPeriodAveragePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1: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:schema>
