<SEC-DOCUMENT>0001209191-21-050313.txt : 20210809
<SEC-HEADER>0001209191-21-050313.hdr.sgml : 20210809
<ACCEPTANCE-DATETIME>20210809115820
ACCESSION NUMBER:		0001209191-21-050313
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210809
FILED AS OF DATE:		20210809
DATE AS OF CHANGE:		20210809

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Doyle Derek Nelson
		CENTRAL INDEX KEY:			0001793498

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07107
		FILM NUMBER:		211155548

	MAIL ADDRESS:	
		STREET 1:		414 UNION STREET, SUITE 2000
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219

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:		414 UNION STREET
		STREET 2:		SUITE 2000
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219-1711
		BUSINESS PHONE:		6159865600

	MAIL ADDRESS:	
		STREET 1:		414 UNION STREET
		STREET 2:		SUITE 2000
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219-1711

	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>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-08-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001793498</rptOwnerCik>
            <rptOwnerName>Doyle Derek Nelson</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>414 UNION STREET, SUITE 2000</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37219</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Principal Accounting Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-08-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>57.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4142</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This filing also reports in the ending balance of shares owned, 104 additional common shares acquired under the Company's Employee Share Purchase Plan (ESPP).  Under the ESPP 103.54 shares were acquired on 6/30/2021 at a price of $31.39 per share.  The ESPP provides for the purchase of fractional shares. The numbers reported herein are rounded to the nearest whole number.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Teresa Frogge Attorney-in-Fact</signatureName>
        <signatureDate>2021-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
