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      <link:roleType id="InvestmentsContractualMaturiesDetails" roleURI="http://www.lpcorp.com/role/InvestmentsContractualMaturiesDetails">
        <link:definition>2402403 - Disclosure - Investments Contractual maturies (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="InvestmentsDetails" roleURI="http://www.lpcorp.com/role/InvestmentsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsInAndAdvancesToAffiliates" roleURI="http://www.lpcorp.com/role/InvestmentsInAndAdvancesToAffiliates">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType id="InvestmentsInAndAdvancesToAffiliatesDetails" roleURI="http://www.lpcorp.com/role/InvestmentsInAndAdvancesToAffiliatesDetails">
        <link:definition>2408404 - Disclosure - Investments in and Advances to Affiliates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="InvestmentsInAndAdvancesToAffiliatesInvestmentsInAndAdvancesToAffiliatesTables" roleURI="http://www.lpcorp.com/role/InvestmentsInAndAdvancesToAffiliatesInvestmentsInAndAdvancesToAffiliatesTables">
        <link:definition>2308301 - Disclosure - Investments in and Advances to Affiliates Investments in and Advances to Affiliates (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="InvestmentsInAndAdvancesToAffiliatesOwnershipPercentagesDetails" roleURI="http://www.lpcorp.com/role/InvestmentsInAndAdvancesToAffiliatesOwnershipPercentagesDetails">
        <link:definition>2408402 - Disclosure - Investments in and Advances to Affiliates Ownership percentages (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsInAndAdvancesToAffiliatesResultsForAffiliatesDetails" roleURI="http://www.lpcorp.com/role/InvestmentsInAndAdvancesToAffiliatesResultsForAffiliatesDetails">
        <link:definition>2408403 - Disclosure - Investments in and Advances to Affiliates Results for affiliates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="InvestmentsInvestmentsSoldDetails" roleURI="http://www.lpcorp.com/role/InvestmentsInvestmentsSoldDetails">
        <link:definition>2402404 - Disclosure - Investments Investments sold (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsTables" roleURI="http://www.lpcorp.com/role/InvestmentsTables">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebt" roleURI="http://www.lpcorp.com/role/LongTermDebt">
        <link:definition>2112100 - Disclosure - Long-term Debt</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtDetails" roleURI="http://www.lpcorp.com/role/LongTermDebtDetails">
        <link:definition>2412402 - Disclosure - Long-term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtLongTermDebtRequiredRepaymentOfPrincipalDetails" roleURI="http://www.lpcorp.com/role/LongTermDebtLongTermDebtRequiredRepaymentOfPrincipalDetails">
        <link:definition>2412404 - Disclosure - Long-term Debt Long-term Debt Required repayment of Principal (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtNarrativeDetails" roleURI="http://www.lpcorp.com/role/LongTermDebtNarrativeDetails">
        <link:definition>2412403 - Disclosure - Long-term Debt Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtTables" roleURI="http://www.lpcorp.com/role/LongTermDebtTables">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NonOperatingIncomeExpenseDetails" roleURI="http://www.lpcorp.com/role/NonOperatingIncomeExpenseDetails">
        <link:definition>2411402 - Disclosure - Non-operating Income (Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NonOperatingIncomeExpenseDisclosureDetails" roleURI="http://www.lpcorp.com/role/NonOperatingIncomeExpenseDisclosureDetails">
        <link:definition>2411403 - Disclosure - Non-operating Income (Expense) Disclosure (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NonOperatingIncomeExpenseNotes" roleURI="http://www.lpcorp.com/role/NonOperatingIncomeExpenseNotes">
        <link:definition>2111100 - Disclosure - Non-operating Income (Expense) (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NonOperatingIncomeExpenseTables" roleURI="http://www.lpcorp.com/role/NonOperatingIncomeExpenseTables">
        <link:definition>2311301 - Disclosure - Non-operating Income (Expense) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterest" roleURI="http://www.lpcorp.com/role/NoncontrollingInterest">
        <link:definition>2119100 - Disclosure - Noncontrolling Interest</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestDetails" roleURI="http://www.lpcorp.com/role/NoncontrollingInterestDetails">
        <link:definition>2419401 - Disclosure - Noncontrolling Interest (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesReceivableFromAssetSales" roleURI="http://www.lpcorp.com/role/NotesReceivableFromAssetSales">
        <link:definition>2106100 - Disclosure - Notes Receivable from Asset Sales</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesReceivableFromAssetSalesDetails" roleURI="http://www.lpcorp.com/role/NotesReceivableFromAssetSalesDetails">
        <link:definition>2406402 - Disclosure - Notes Receivable from Asset Sales (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesReceivableFromAssetSalesTables" roleURI="http://www.lpcorp.com/role/NotesReceivableFromAssetSalesTables">
        <link:definition>2306301 - Disclosure - Notes Receivable from Asset Sales (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIntangibleAssets" roleURI="http://www.lpcorp.com/role/OtherIntangibleAssets">
        <link:definition>2107100 - Disclosure - Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIntangibleAssetsDetails" roleURI="http://www.lpcorp.com/role/OtherIntangibleAssetsDetails">
        <link:definition>2407402 - Disclosure - Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherIntangibleAssetsTables" roleURI="http://www.lpcorp.com/role/OtherIntangibleAssetsTables">
        <link:definition>2307301 - Disclosure - Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherOperatingCreditsAndChargesNet" roleURI="http://www.lpcorp.com/role/OtherOperatingCreditsAndChargesNet">
        <link:definition>2116100 - Disclosure - Other Operating Credits and Charges, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherOperatingCreditsAndChargesNetDetails" roleURI="http://www.lpcorp.com/role/OtherOperatingCreditsAndChargesNetDetails">
        <link:definition>2416402 - Disclosure - Other Operating Credits and Charges, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherOperatingCreditsAndChargesNetSeveranceDetails" roleURI="http://www.lpcorp.com/role/OtherOperatingCreditsAndChargesNetSeveranceDetails">
        <link:definition>2416403 - Disclosure - Other Operating Credits and Charges, Net severance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherOperatingCreditsAndChargesNetTables" roleURI="http://www.lpcorp.com/role/OtherOperatingCreditsAndChargesNetTables">
        <link:definition>2316301 - Disclosure - Other Operating Credits and Charges, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Receivables" roleURI="http://www.lpcorp.com/role/Receivables">
        <link:definition>2104100 - Disclosure - Receivables</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReceivablesDetails" roleURI="http://www.lpcorp.com/role/ReceivablesDetails">
        <link:definition>2404402 - Disclosure - Receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReceivablesTables" roleURI="http://www.lpcorp.com/role/ReceivablesTables">
        <link:definition>2304301 - Disclosure - Receivables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefits" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefits">
        <link:definition>2113100 - Disclosure - Retirement Plans and Post Retirement Benefits</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsAssetAllocationAndFairValueOfPlanAssetsDetails" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsAssetAllocationAndFairValueOfPlanAssetsDetails">
        <link:definition>2413404 - Disclosure - Retirement Plans and Post Retirement Benefits Asset Allocation and Fair Value of Plan Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsDefinedContributionPlansAndOtherBenefitPlansDetails" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsDefinedContributionPlansAndOtherBenefitPlansDetails">
        <link:definition>2413406 - Disclosure - Retirement Plans and Post Retirement Benefits Defined Contribution Plans and Other Benefit Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsFundedStatusAssumptionsUsedInBenefitObligationsAndAmountsRecognizedInBalanceSheetsDetails" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsFundedStatusAssumptionsUsedInBenefitObligationsAndAmountsRecognizedInBalanceSheetsDetails">
        <link:definition>2413403 - Disclosure - Retirement Plans and Post Retirement Benefits Funded Status, Assumptions Used in Benefit Obligations and Amounts Recognized in Balance Sheets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsLevel3RollforwardDetails" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsLevel3RollforwardDetails">
        <link:definition>2413405 - Disclosure - Retirement Plans and Post Retirement Benefits Level 3 Rollforward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsPensionCostsAssumptionsUsedInNetPeriodicCostsAndExpectedContributionsAndPaymentsDetails" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsPensionCostsAssumptionsUsedInNetPeriodicCostsAndExpectedContributionsAndPaymentsDetails">
        <link:definition>2413402 - Disclosure - Retirement Plans and Post Retirement Benefits Pension Costs, Assumptions Used in Net Periodic Costs and Expected Contributions and Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementPlansAndPostRetirementBenefitsTables" roleURI="http://www.lpcorp.com/role/RetirementPlansAndPostRetirementBenefitsTables">
        <link:definition>2313301 - Disclosure - Retirement Plans and Post Retirement Benefits (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.lpcorp.com/role/SegmentInformation">
        <link:definition>2124100 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails" roleURI="http://www.lpcorp.com/role/SegmentInformationDetails">
        <link:definition>2424404 - Disclosure - Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationIdentifiableAssetsDetails" roleURI="http://www.lpcorp.com/role/SegmentInformationIdentifiableAssetsDetails">
        <link:definition>2424403 - Disclosure - Segment Information Identifiable assets (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.lpcorp.com/role/SegmentInformationTables">
        <link:definition>2324301 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedSegmentDataDetails" roleURI="http://www.lpcorp.com/role/SelectedSegmentDataDetails">
        <link:definition>2424402 - Disclosure - Selected Segment Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.lpcorp.com/role/StockBasedCompensation">
        <link:definition>2114100 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails" roleURI="http://www.lpcorp.com/role/StockBasedCompensationDetails">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType id="StockBasedCompensationOutstandingOptionsAndSsarsDetails" roleURI="http://www.lpcorp.com/role/StockBasedCompensationOutstandingOptionsAndSsarsDetails">
        <link:definition>2414406 - Disclosure - Stock-Based Compensation Outstanding Options and SSARs (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedAndPhantomStockDetails" roleURI="http://www.lpcorp.com/role/StockBasedCompensationRestrictedAndPhantomStockDetails">
        <link:definition>2414410 - Disclosure - Stock-Based Compensation Restricted and Phantom Stock (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationRestrictedStockUnitsDetails" roleURI="http://www.lpcorp.com/role/StockBasedCompensationRestrictedStockUnitsDetails">
        <link:definition>2414408 - Disclosure - Stock-Based Compensation Restricted Stock Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.lpcorp.com/role/StockBasedCompensationTables">
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationValuationAssumptionsDetails" roleURI="http://www.lpcorp.com/role/StockBasedCompensationValuationAssumptionsDetails">
        <link:definition>2414405 - Disclosure - Stock-Based Compensation Valuation Assumptions (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="StockholdersEquityDetailOnWarrantsIssuedDetails" roleURI="http://www.lpcorp.com/role/StockholdersEquityDetailOnWarrantsIssuedDetails">
        <link:definition>2414404 - Disclosure - Stockholders' Equity Detail on warrants issued (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityPreferredStockDetails" roleURI="http://www.lpcorp.com/role/StockholdersEquityPreferredStockDetails">
        <link:definition>2414402 - Disclosure - Stockholders' Equity Preferred stock (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="StockholdersEquityRightsPlanDetails" roleURI="http://www.lpcorp.com/role/StockholdersEquityRightsPlanDetails">
        <link:definition>2414403 - Disclosure - Stockholders' Equity Rights plan (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityStockBasedCompensationRestrictedStockUntisDetails" roleURI="http://www.lpcorp.com/role/StockholdersEquityStockBasedCompensationRestrictedStockUntisDetails">
        <link:definition>2414409 - Disclosure - Stockholders' Equity Stock-based compensation restricted stock untis (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityStockIssuanceDetails" roleURI="http://www.lpcorp.com/role/StockholdersEquityStockIssuanceDetails">
        <link:definition>2414411 - Disclosure - Stockholders' Equity Stock issuance (Details)</link:definition>
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  <xsd:element id="lpx_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeRateChangesNetOfTax" name="OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeRateChangesNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OtherIntangibleAssetsAbstract" name="OtherIntangibleAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OtherItemsMember" name="OtherItemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_OtherOperatingChargesAndCreditsPolicyPolicyTextBlock" name="OtherOperatingChargesAndCreditsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_OtherOperatingChargesAndGainLoss" name="OtherOperatingChargesAndGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OtherOperatingCreditsAndChargesNetAbstract" name="OtherOperatingCreditsAndChargesNetAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_OtherOperatingCreditsAndChargesNetTableTextBlock" name="OtherOperatingCreditsAndChargesNetTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OtherRawMaterialsMember" name="OtherRawMaterialsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OtherReservesMember" name="OtherReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_OverallotmentMember" name="OverallotmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ParValueAvailableForSaleSecurities" name="ParValueAvailableForSaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ParValueAvailableForSaleSecuritySold" name="ParValueAvailableForSaleSecuritySold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpx_PaymentsMadeForLitigationAdministrativeExpenseForHardboardSidingReserves" name="PaymentsMadeForLitigationAdministrativeExpenseForHardboardSidingReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpx_PensionExpenseInExcessOfPayments" name="PensionExpenseInExcessOfPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpx_PercentOfDebtRedeemed" name="PercentOfDebtRedeemed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_PercentageOfNonControllingInterestAcquired" name="PercentageOfNonControllingInterestAcquired" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_PercentageUsedToDetermineNoncontrollingInterestPresentation" name="PercentageUsedToDetermineNoncontrollingInterestPresentation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_PhantomStockMember" name="PhantomStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_PriorAgreementToContributeToJointVenture" name="PriorAgreementToContributeToJointVenture" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_ProceedsFromIssuanceOfCommonStockBeforeOfferingCosts" name="ProceedsFromIssuanceOfCommonStockBeforeOfferingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpx_ProceedsFromNotesPayableToFundAcquisitionOfAdditionalInterestInSubsidiaries" name="ProceedsFromNotesPayableToFundAcquisitionOfAdditionalInterestInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpx_RedeemableNonControllingInterest" name="RedeemableNonControllingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpx_RedeemableNonControllingInterestMember" name="RedeemableNonControllingInterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RepaymentOfDebt" name="RepaymentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpx_RequiredDebtToEquityRatioMaximum" name="RequiredDebtToEquityRatioMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RequiredEbitdaToFinancialCostsMinimum" name="RequiredEbitdaToFinancialCostsMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RequiredFixedChargeCoverageRatioWhenUnusedBorrowingCapacityIsBelow15Million" name="RequiredFixedChargeCoverageRatioWhenUnusedBorrowingCapacityIsBelow15Million" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ReservesForTimberObligations" name="ReservesForTimberObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpx_RestrictedStockActivityTableTextBlock" name="RestrictedStockActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RestrictedStockUnitsExercisable" name="RestrictedStockUnitsExercisable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_RestrictedStockUnitsExercisableAggregateIntrinsicValue" name="RestrictedStockUnitsExercisableAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RestrictedStockUnitsExercisableWeightedAverageContractualTerm" name="RestrictedStockUnitsExercisableWeightedAverageContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_RestrictedStockUnitsVestedAndExpectedToVestAggregateIntrinsicValue" name="RestrictedStockUnitsVestedAndExpectedToVestAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_RetirementPlansAndPostretirementBenefitsAbstract" name="RetirementPlansAndPostretirementBenefitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_RightSizingMember" name="RightSizingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_RoadsMember" name="RoadsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_SaleOfAvailableForSaleSecurities" name="SaleOfAvailableForSaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpx_ScheduleOfNetBenefitCostsAndAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock" name="ScheduleOfNetBenefitCostsAndAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ScheduleOfNetFundedStatusAndAssumptionsUsedInCalculatingBenefitObligationTableTextBlock" name="ScheduleOfNetFundedStatusAndAssumptionsUsedInCalculatingBenefitObligationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ScheduleOfNotesReceivableMaturityDatesTableTextBlock" name="ScheduleOfNotesReceivableMaturityDatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ScheduleOfSegmentReportingInformationByGeographicalAreasTableTextBlock" name="ScheduleOfSegmentReportingInformationByGeographicalAreasTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotes20132018MemberMember" name="SeniorNotes20132018MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotes2018Member" name="SeniorNotes2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotesMaturing2010MemberMember" name="SeniorNotesMaturing2010MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotesPayable2012Member" name="SeniorNotesPayable2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotesPayable2013Thru2018Member" name="SeniorNotesPayable2013Thru2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorNotesReceivableDue2012Member" name="SeniorNotesReceivableDue2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorSecuredNotes2017PerUnitMember" name="SeniorSecuredNotes2017PerUnitMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorSecuredNotesMaturing2017Member" name="SeniorSecuredNotesMaturing2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SeniorSecuredNotesMaturing2017PlusWarrantsMember" name="SeniorSecuredNotesMaturing2017PlusWarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_SettlementAgreementReserveRollforwardTableTextBlock" name="SettlementAgreementReserveRollforwardTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVest" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisableWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisesInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsExercisesInPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsVestedAndExpectedToVestOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsVestedAndExpectedToVestOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementByShareBasedPaymentAwardSsarsGrantsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSsarsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lpx_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAndSsarsForfeituresAndExpirationsInPeriod" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAndSsarsForfeituresAndExpirationsInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingNumber" name="SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndSsarsOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpx_SidingMember" name="SidingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SouthAmericaMember" name="SouthAmericaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_StartingTermWhenOptionsBecomeExercisableAfterGrantDate" name="StartingTermWhenOptionsBecomeExercisableAfterGrantDate" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_StateCapitalLossesMember" name="StateCapitalLossesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_StateNolMember" name="StateNolMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_StateTaxCreditMember" name="StateTaxCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_StockIssuedDuringPeriodSharesStockOptionsAndSsarsExercised" name="StockIssuedDuringPeriodSharesStockOptionsAndSsarsExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_StockholdersEquityIncludingTemporaryEquity" name="StockholdersEquityIncludingTemporaryEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpx_SubLeaseIncome" name="SubLeaseIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_TaigaMember" name="TaigaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_TimberAndTimberLicenses" name="TimberAndTimberLicenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_TimberAndTimberlandsPolicyTextBlock" name="TimberAndTimberlandsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_TimberlandsMember" name="TimberlandsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpx_TotalAssetsLongLivedFairValueDisclosure" name="TotalAssetsLongLivedFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpx_UnallocatedAndOtherThanTemporaryImpairment" name="UnallocatedAndOtherThanTemporaryImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_UnitedStatesDefinedContributionPlansMember" name="UnitedStatesDefinedContributionPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_UsCreditLineMember" name="UsCreditLineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_UsGreenfiberMember" name="UsGreenfiberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_Year2029Member" name="Year2029Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpx_YearsThrough2026Member" name="YearsThrough2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
