<SEC-DOCUMENT>0000076605-21-000106.txt : 20210503
<SEC-HEADER>0000076605-21-000106.hdr.sgml : 20210503
<ACCEPTANCE-DATETIME>20210503211703
ACCESSION NUMBER:		0000076605-21-000106
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210429
FILED AS OF DATE:		20210503
DATE AS OF CHANGE:		20210503

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NEMETH ANDY L
		CENTRAL INDEX KEY:			0001209929

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-03922
		FILM NUMBER:		21885573

	MAIL ADDRESS:	
		STREET 1:		C/O PATRICK INDUSTRIES, INC.,
		STREET 2:		P.O. BOX 638
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46515-0638

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATRICK INDUSTRIES INC
		CENTRAL INDEX KEY:			0000076605
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				351057796
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		107 WEST FRANKLIN STREET PO BOX 638
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46515
		BUSINESS PHONE:		574-294-7511

	MAIL ADDRESS:	
		STREET 1:		107 WEST FRANKLIN STREET PO BOX 638
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46515
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_162009100907542.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-04-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000076605</issuerCik>
        <issuerName>PATRICK INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>PATK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001209929</rptOwnerCik>
            <rptOwnerName>NEMETH ANDY L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>107 W. FRANKLIN ST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ELKHART</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46515</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-04-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>96.30</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>266984</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.</footnote>
        <footnote id="F2">The price quoted in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $92.00 to $97.75, inclusive.  The Reporting Person undertakes to provide to Patrick Industries, Inc., any security holder of Patrick Industries, Inc., or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the price range set forth in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Andy L. Nemeth by Jacob R. Petkovich, attorney-in-fact</signatureName>
        <signatureDate>2021-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
