<SEC-DOCUMENT>0001209191-23-028148.txt : 20230509
<SEC-HEADER>0001209191-23-028148.hdr.sgml : 20230509
<ACCEPTANCE-DATETIME>20230509092636
ACCESSION NUMBER:		0001209191-23-028148
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230505
FILED AS OF DATE:		20230509
DATE AS OF CHANGE:		20230509

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HORTON OZEY K JR
		CENTRAL INDEX KEY:			0001523203

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07107
		FILM NUMBER:		23900311

	MAIL ADDRESS:	
		STREET 1:		200 OLD WILSON BRIDGE ROAD
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43085

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LOUISIANA-PACIFIC CORP
		CENTRAL INDEX KEY:			0000060519
		STANDARD INDUSTRIAL CLASSIFICATION:	LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400]
		IRS NUMBER:				930609074
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1610 WEST END AVE.
		STREET 2:		SUITE 200
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37203
		BUSINESS PHONE:		6159865600

	MAIL ADDRESS:	
		STREET 1:		1610 WEST END AVE.
		STREET 2:		SUITE 200
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LOUISIANA PACIFIC CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-05-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000060519</issuerCik>
        <issuerName>LOUISIANA-PACIFIC CORP</issuerName>
        <issuerTradingSymbol>LPX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001523203</rptOwnerCik>
            <rptOwnerName>HORTON OZEY K JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1610 WEST END AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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                <value>Common Stock</value>
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            <transactionDate>
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                <transactionCode>M</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>5357</value>
                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>27303</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2023-05-05</value>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>2182</value>
                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
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            <transactionDate>
                <value>2023-05-05</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5357</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F1"/>
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            <expirationDate>
                <footnoteId id="F1"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>5357</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents deferred stock units (&quot;DSUs&quot;) under the Amended and Restated Louisiana-Pacific Corporation Non-Employee Directors Compensation Plan that were previously reported on Table II.  Each DSU entitles the reporting person to receive one share of common stock upon the earlier of (i) the reporting person's separation of service as a director or (ii) a change of control of the issuer.  The reporting person has determined to report DSUs on Table I going forward.</footnote>
        <footnote id="F2">Includes 143 shares credited as dividend equivalents.</footnote>
        <footnote id="F3">Restricted stock units (&quot;RSUs&quot;) granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 5, 2024.  Each RSU represents a contingent right to receive one share of the issuer's common stock.</footnote>
        <footnote id="F4">Includes 72 shares credited as dividend equivalents.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Nicole Daniel, Attorney-in-Fact</signatureName>
        <signatureDate>2023-05-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
