<SEC-DOCUMENT>0001209191-15-005031.txt : 20150120
<SEC-HEADER>0001209191-15-005031.hdr.sgml : 20150119
<ACCEPTANCE-DATETIME>20150120155001
ACCESSION NUMBER:		0001209191-15-005031
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20141212
FILED AS OF DATE:		20150120
DATE AS OF CHANGE:		20150120

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PPG INDUSTRIES INC
		CENTRAL INDEX KEY:			0000079879
		STANDARD INDUSTRIAL CLASSIFICATION:	PAINTS, VARNISHES, LACQUERS, ENAMELS & ALLIED PRODUCTS [2851]
		IRS NUMBER:				250730780
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PPG PL 40 EAST
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15272
		BUSINESS PHONE:		4124343131

	MAIL ADDRESS:	
		STREET 1:		ONE PPG PL 40 EAST
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15272

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PITTSBURGH PLATE GLASS CO
		DATE OF NAME CHANGE:	19681219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BERGES JAMES G
		CENTRAL INDEX KEY:			0001183479

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01687
		FILM NUMBER:		15535940
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2014-12-12</periodOfReport>

    <dateOfOriginalSubmission>2014-12-15</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000079879</issuerCik>
        <issuerName>PPG INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>PPG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001183479</rptOwnerCik>
            <rptOwnerName>BERGES JAMES G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>255 ISLAND CREEK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>VERO BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32963-3304</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-12-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>51.6</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>219.82</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>51.6</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15702.573</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The security converts to common stock on a one-for-one basis.</footnote>
        <footnote id="F2">After termination of service as a Director of PPG Industries, Inc.</footnote>
        <footnote id="F3">Amended total of all phantom stock units held by the reporting person in the PPG Industries, Inc. Deferred Compensation Plan for Directors as of December 12, 2014. Of these shares, 56.616 were omitted from the reporting person's original Form 4 due to a bookkeeping error.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Greg E. Gordon, Attorney-in-Fact for James G. Berges</signatureName>
        <signatureDate>2015-01-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
