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  <xsd:element name="OperatingLossCarryforwardsExpirationPeriod2016Member" id="ssd_OperatingLossCarryforwardsExpirationPeriod2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UndistributedEarningsOfInternationalSubsidiaries" id="ssd_UndistributedEarningsOfInternationalSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxBenefitsDecreaseInInterestOnIncomeTaxesAccrued" id="ssd_UnrecognizedTaxBenefitsDecreaseInInterestOnIncomeTaxesAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnsecuredCreditAgreementMember" id="ssd_UnsecuredCreditAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityTerm" id="ssd_LineOfCreditFacilityTerm" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityBorrowingCapacityIncreaseAvailable" id="ssd_LineOfCreditFacilityBorrowingCapacityIncreaseAvailable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DefinedContributionPlanTable" id="ssd_DefinedContributionPlanTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanLineItems" id="ssd_DefinedContributionPlanLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfDefinedContributionRetirementPlans" id="ssd_NumberOfDefinedContributionRetirementPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedContributionPlanEmployerContributionAsPercentageOfEmployeesCompensation" id="ssd_DefinedContributionPlanEmployerContributionAsPercentageOfEmployeesCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RODesignCorpMember" id="ssd_RODesignCorpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgenceInternationaleCommercialeEtIndustrielleMember" id="ssd_AgenceInternationaleCommercialeEtIndustrielleMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CGMIMember" id="ssd_CGMIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FoxIndustriesIncMember" id="ssd_FoxIndustriesIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AutomaticStampingLLCAndAutomaticStampingAuxiliaryServicesLLCMember" id="ssd_AutomaticStampingLLCAndAutomaticStampingAuxiliaryServicesLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FullyDepreciatedPropertyPlantAndEquipmentOriginalCost" id="ssd_FullyDepreciatedPropertyPlantAndEquipmentOriginalCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SignificantNoncashCharges" id="ssd_SignificantNoncashCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SimpsonStrongTieEuropeEURLMember" id="ssd_SimpsonStrongTieEuropeEURLMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SimpsonStrongTieMember" id="ssd_SimpsonStrongTieMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SimpsonStrongTieCompanyIncMember" id="ssd_SimpsonStrongTieCompanyIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SanBernardinoCountyMember" id="ssd_SanBernardinoCountyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StocktonMember" id="ssd_StocktonMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureMinimumCommitmentsLineItems" id="ssd_FutureMinimumCommitmentsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureMinimumCommitmentsDueInYearOne" id="ssd_FutureMinimumCommitmentsDueInYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsDueInYearTwo" id="ssd_FutureMinimumCommitmentsDueInYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsDueInYearThree" id="ssd_FutureMinimumCommitmentsDueInYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsDueInYearFour" id="ssd_FutureMinimumCommitmentsDueInYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsDueInYearFive" id="ssd_FutureMinimumCommitmentsDueInYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitmentsDueThereafter" id="ssd_FutureMinimumCommitmentsDueThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FutureMinimumCommitments" id="ssd_FutureMinimumCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SocomSASMember" id="ssd_SocomSASMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfContractualObligationsTableTextBlock" id="ssd_ScheduleOfContractualObligationsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureMinimumCommitmentsTable" id="ssd_ScheduleOfFutureMinimumCommitmentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CollectiveBargainingArrangementsTable" id="ssd_CollectiveBargainingArrangementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CollectiveBargainingArrangementsLineItems" id="ssd_CollectiveBargainingArrangementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureMinimumCommitmentsDomain" id="ssd_ScheduleOfFutureMinimumCommitmentsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureMinimumCommitmentsAxis" id="ssd_ScheduleOfFutureMinimumCommitmentsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkforceSubjectToCollectiveBargainingArrangementsAxis" id="ssd_WorkforceSubjectToCollectiveBargainingArrangementsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ToolAndDieCraftsmenAndMaintenanceWorkersMember" id="ssd_ToolAndDieCraftsmenAndMaintenanceWorkersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfEmployeesAsRepresentedByLaborUnions" id="ssd_PercentageOfEmployeesAsRepresentedByLaborUnions" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCollectiveBargainingAgreements" id="ssd_NumberOfCollectiveBargainingAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfLocations" id="ssd_NumberOfLocations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeaseAgreementExtendedTerm" id="ssd_OperatingLeaseAgreementExtendedTerm" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRelatedPartyEntities" id="ssd_NumberOfRelatedPartyEntities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDateAxis" id="ssd_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDateAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardGrantDateDomain" id="ssd_ShareBasedCompensationArrangementsByShareBasedPaymentAwardGrantDateDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantedOn3Feb2011Member" id="ssd_GrantedOn3Feb2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkforceSubjectToCollectiveBargainingArrangementsDomain" id="ssd_WorkforceSubjectToCollectiveBargainingArrangementsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantedOn2Feb2010Member" id="ssd_GrantedOn2Feb2010Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantedOn23Feb2009Member" id="ssd_GrantedOn23Feb2009Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantedOn4Feb2009Member" id="ssd_GrantedOn4Feb2009Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantedOn15Feb2011Member" id="ssd_GrantedOn15Feb2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingExpenses" id="ssd_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesTerm" id="ssd_OperatingLeasesTerm" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicyTextBlock" id="ssd_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ToolAndDiePolicyTextBlock" id="ssd_ToolAndDiePolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SalesTaxPolicyTextBlock" id="ssd_SalesTaxPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossPolicyTextBlock" id="ssd_ComprehensiveIncomeLossPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConcentrationsOfCreditRiskPolicyTextBlock" id="ssd_ConcentrationsOfCreditRiskPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DurationToConsiderImpairmentAsOtherThanTemporary" id="ssd_DurationToConsiderImpairmentAsOtherThanTemporary" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccountsReceivableCustomersInBankruptcyOrDeterioratingFinancialConditionPercentageReservedAsUncollectible" id="ssd_AccountsReceivableCustomersInBankruptcyOrDeterioratingFinancialConditionPercentageReservedAsUncollectible" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InventoryObsolescenceYearsSalesOnHandAssumption" id="ssd_InventoryObsolescenceYearsSalesOnHandAssumption" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SegmentsAndDiscontinuedOperationsAbstract" id="ssd_SegmentsAndDiscontinuedOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockAbstract" id="ssd_CommonStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockAbstract" id="ssd_PreferredStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockDividendRightsExercisablePercentageOfCommonStockAcquiredMinimum" id="ssd_PreferredStockDividendRightsExercisablePercentageOfCommonStockAcquiredMinimum" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockDividendRightsCommonStockAdditionalOwnershipInterestAcquiredSubsequentToDistributionOfRightsMinimum" id="ssd_PreferredStockDividendRightsCommonStockAdditionalOwnershipInterestAcquiredSubsequentToDistributionOfRightsMinimum" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RightRedemptionPrice" id="ssd_RightRedemptionPrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockDividendRightsCommonStockOwnershipInterestHeldAtDateOfRightsDistribution" id="ssd_PreferredStockDividendRightsCommonStockOwnershipInterestHeldAtDateOfRightsDistribution" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfBanksEntityMaintainingCashInDemandDepositAndMoneyMarketAccounts" id="ssd_NumberOfBanksEntityMaintainingCashInDemandDepositAndMoneyMarketAccounts" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoncompeteAgreementsTrademarksAndOtherMember" id="ssd_NoncompeteAgreementsTrademarksAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsRollForward" id="ssd_FiniteLivedIntangibleAssetsRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsAcquiredDuringPeriod" id="ssd_FiniteLivedIntangibleAssetsAcquiredDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments" id="ssd_FiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsReclassifications" id="ssd_FiniteLivedIntangibleAssetsReclassifications" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsRemovalOfFullyAmortizedAssetsGross" id="ssd_FiniteLivedIntangibleAssetsRemovalOfFullyAmortizedAssetsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedIntangibleAssetsRemovalOfFullyAmortizedAssetsAccumulatedAmortization" id="ssd_FiniteLivedIntangibleAssetsRemovalOfFullyAmortizedAssetsAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyOfEquityMethodInvesteeMember" id="ssd_RelatedPartyOfEquityMethodInvesteeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsLossOnSaleTableTextBlock" id="ssd_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsLossOnSaleTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockBonusPlanMember" id="ssd_StockBonusPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesLeaseRevenuePerYear" id="ssd_OperatingLeasesLeaseRevenuePerYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentUsefulLifeTableTextBlock" id="ssd_PropertyPlantAndEquipmentUsefulLifeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedIntangibleAssetsBySegmentTextBlock" id="ssd_ScheduleOfFiniteLivedIntangibleAssetsBySegmentTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockStockRightDividendDeclared" id="ssd_PreferredStockStockRightDividendDeclared" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockVotingRightsNumber" id="ssd_CommonStockVotingRightsNumber" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GoodwillImpairedAccumulatedImpairmentLossBeginningAbstract" id="ssd_GoodwillImpairedAccumulatedImpairmentLossBeginningAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAndCommittedToBeIssuedInPeriod" id="ssd_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAndCommittedToBeIssuedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfInterestExpenseTableTextBlock" id="ssd_ScheduleOfInterestExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateBaseAxis" id="ssd_DebtInstrumentVariableRateBaseAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateBaseDomain" id="ssd_DebtInstrumentVariableRateBaseDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateLIBORMember" id="ssd_DebtInstrumentVariableRateLIBORMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateBaseRateMember" id="ssd_DebtInstrumentVariableRateBaseRateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseCommitmentIncludingLongTermCommitmentMember" id="ssd_PurchaseCommitmentIncludingLongTermCommitmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationStateIncomeTaxes" id="ssd_EffectiveIncomeTaxRateReconciliationStateIncomeTaxes" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationLocalIncomeTaxes" id="ssd_EffectiveIncomeTaxRateReconciliationLocalIncomeTaxes" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationsAssetImpairmentChargesNetOfTax" id="ssd_DisposalGroupIncludingDiscontinuedOperationsAssetImpairmentChargesNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockBoardAuthorizedToIssueInSeriesMinimumNumber" id="ssd_PreferredStockBoardAuthorizedToIssueInSeriesMinimumNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VicePresidentAndImmediateFamilyMemberOfManagementMember" id="ssd_VicePresidentAndImmediateFamilyMemberOfManagementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SimpsonPSBFundMember" id="ssd_SimpsonPSBFundMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetAssetsOfDisposalGroupIncludingDiscontinuedOperation" id="ssd_NetAssetsOfDisposalGroupIncludingDiscontinuedOperation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="OtherNoncurrentAssetsImpairmentCharges" id="ssd_OtherNoncurrentAssetsImpairmentCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedOtherComprehensiveIncomeLossTax" id="ssd_AccumulatedOtherComprehensiveIncomeLossTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="GoodwillImpairmentLossContinuingOperations" id="ssd_GoodwillImpairmentLossContinuingOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DischargeOfDebtOwedByOtherOwnerOfEquityMethodInvesteeAbstract" id="ssd_DischargeOfDebtOwedByOtherOwnerOfEquityMethodInvesteeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsAbstract" id="ssd_SignificantAcquisitionsAndDisposalsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAcquisitionsCostOfAcquiredEntityCashPaid" id="ssd_SignificantAcquisitionsCostOfAcquiredEntityCashPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ImpairedAssetsAbstract" id="ssd_ImpairedAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsIntangibleRightsWriteOff" id="ssd_DeferredTaxAssetsIntangibleRightsWriteOff" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsAcquisitionExpenses" id="ssd_DeferredTaxAssetsAcquisitionExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="SAndPCleverReinforcementCompanyAGAndSAndPReinforcementInternationalAGMember" id="ssd_SAndPCleverReinforcementCompanyAGAndSAndPReinforcementInternationalAGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockRepurchasedDuringPeriodPricePerShare" id="ssd_StockRepurchasedDuringPeriodPricePerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="StockRepurchasedDuringPeriodDifferenceBetweenAcquisitionPriceAndMarketClosePrice" id="ssd_StockRepurchasedDuringPeriodDifferenceBetweenAcquisitionPriceAndMarketClosePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="MarginalPercentageOfAnnualImpairmentTest" id="ssd_MarginalPercentageOfAnnualImpairmentTest" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRestrictionsOnAwardsLapsePercentage" id="ssd_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRestrictionsOnAwardsLapsePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnFirstAnniversaryOfAwardDate" id="ssd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnFirstAnniversaryOfAwardDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnSecondAnniversaryOfAwardDate" id="ssd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnSecondAnniversaryOfAwardDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnThirdAnniversaryOfAwardDate" id="ssd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictionsOnAwardLapseOnThirdAnniversaryOfAwardDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesStockOptionExercised" id="ssd_StockIssuedDuringPeriodSharesStockOptionExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
</xsd:schema>
