-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RmEDIvGDsGx4U6+N+hbXg1+pZ1kRzRNS1nUNH4aqhreaSD1WLIy5zC3ZDl8TULEg
 Svq2vwmiBfl8Prwn120L5g==

<SEC-DOCUMENT>0001209191-03-028922.txt : 20031106
<SEC-HEADER>0001209191-03-028922.hdr.sgml : 20031106
<ACCEPTANCE-DATETIME>20031106115507
ACCESSION NUMBER:		0001209191-03-028922
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031105
FILED AS OF DATE:		20031106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DIGGS JAMES C
		CENTRAL INDEX KEY:			0001200401

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01687
		FILM NUMBER:		03981442

	MAIL ADDRESS:	
		STREET 1:		1000 SIX PPG PL
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-05</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000079879</issuerCik><issuerName>PPG INDUSTRIES INC</issuerName>        <issuerTradingSymbol>PPG</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001200401</rptOwnerCik><rptOwnerName>DIGGS JAMES C</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>PPG INDUSTRIES, INC.,</rptOwnerStreet1><rptOwnerStreet2>ONE PPG PLACE</rptOwnerStreet2><rptOwnerCity>PITTSBURGH</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>15272</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Sr. Vice Pres. &amp; Gen. Counsel</officerTitle></reportingOwnerRelationshi
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ansactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>4176.0000</value></transactionShares><transactionPricePerShare><value>52.8130</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12949.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-05</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>
F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>3910.0000</value></transactionShares><transactionPricePerShare><value>58.0300</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>9039.0000</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock Option</value><footnoteId id="F2" /></securityTitle><conversionOrExercisePrice><value>50.3500</value></conversionOrExercisePrice><transactionDate><value>2003-11-05</value></transactionDate><deemedExecutionDate></deemedExecuti
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tle><underlyingSecurityShares><value>35000.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>120817.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Option</value><footnoteId id="F2" /></securityTitle><conversionOrExercisePrice><value>52.8130</value></conversionOrExercisePrice><transactionDate><value>2003-11-05</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>4176.0000</value></transactionShares><transactionPricePerShare><value>0</value></transa
ctionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-02-16</value></exerciseDate><expirationDate><value>2010-02-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4176.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>116641.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Option</value><footnoteId id="F2" /></securityTitle><conversionOrExercisePrice><value>58.0300</value></conversionOrExercisePrice><transactionDate><value>2003-11-05</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transact
ionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>3910.0000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-05-05</value></exerciseDate><expirationDate><value>2010-02-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3910.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>120551.0000</value><footnoteId id="F3" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipN
ature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">This amount does not include shares held for the reporting person in the reporting person's account in the PPG Industries Employee Savings Plan nor in the PPG Investor Services Program (a dividend investment program).</footnote><footnote id="F2">Right to buy granted under the PPG Industries, Inc. Stock Plan.</footnote><footnote id="F3">Total of all remaining stock options granted to the reporting person under the PPG Industries, Inc. Stock Plan.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>M. C. Hanzel, Attorney-in-Fact for James C. Diggs</signatureName><signatureDate>2003-11-06</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
