-----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,
 QLXvIyIaI6NNDq4djLCAahyocKjD0rvtOqWl6fPBIlwuAdFqp6rQHrIMTcfvzuHh
 DjwI4FaP9fMaEaNFckTJXg==

<SEC-DOCUMENT>0001209191-03-014648.txt : 20030731
<SEC-HEADER>0001209191-03-014648.hdr.sgml : 20030731
<ACCEPTANCE-DATETIME>20030731150111
ACCESSION NUMBER:		0001209191-03-014648
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030729
FILED AS OF DATE:		20030731

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:			BUNCH CHARLES E
		CENTRAL INDEX KEY:			0001242243

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01687
		FILM NUMBER:		03814382

	MAIL ADDRESS:	
		STREET 1:		PPG INDUSTRIES INC.
		STREET 2:		ONE PPG PLACE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15272
</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>2003-07-29</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000079879</issuerCik><issuerName>PPG INDUSTRIES INC</issuerName>        <issuerTradingSymbol>PPG</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001242243</rptOwnerCik><rptOwnerName>BUNCH CHARLES E</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>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President and COO</officerTitle></reportingOwnerRelationship></reportingOw
ner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>10914</value></transactionShares><transactionPricePerShare><value>50.35</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>59135</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value
>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>10441</value></transactionShares><transactionPricePerShare><value>55.63</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>48694</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transaction
Code><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>43598</value></transactionShares><transactionPricePerShare><value>49</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>92292</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><tran
sactionAmounts><transactionShares><value>41221</value></transactionShares><transactionPricePerShare><value>55.63</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>51071</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>50.35</value></conversionOrExercisePrice><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionSha
res><value>10914</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2002-02-14</value></exerciseDate><expirationDate><value>2011-02-13</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>10914</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>320711</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Option</value><footnoteId id="F3" /></securityTitle><conversionOrExercisePrice><value>55.63</value></conversionOrExercisePrice><transactionDate><value>2003-07-29</value></tran
sactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10441</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-01-29</value></exerciseDate><expirationDate><value>2011-02-13</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>10441</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>331152</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><sec
urityTitle><value>Employee Stock Option</value><footnoteId id="F4" /></securityTitle><conversionOrExercisePrice><value>49</value></conversionOrExercisePrice><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>43598</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-02-20</value></exerciseDate><expirationDate><value>2012-02-19</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>43598</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>287554</value></sharesOwn
edFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Option</value><footnoteId id="F4" /></securityTitle><conversionOrExercisePrice><value>55.63</value></conversionOrExercisePrice><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>41221</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-01-29</value></exerciseDate><expirationDate><value>2012-02-19</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value><
/underlyingSecurityTitle><underlyingSecurityShares><value>41221</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>328775</value><footnoteId id="F5" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></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.</footnote><footnote id="F2">Right to buy granted under the PPG Industries, Inc. Stock Plan.</footnote><footnote id="F3">Right to buy granted under the PPG Industries, Inc. Stock Plan.</footnote><footnote id="F4">Right to buy granted under the PPG Industries, Inc. Stock Plan.</footnote><footnote id="F5">Total of all remaining stock options granted to the reporting person under the PPG Industries, Inc. Stock Plan.</footno
te></footnotes><remarks></remarks><ownerSignature><signatureName>M. C. Hanzel, Attorney-in-Fact for Charles E. Bunch</signatureName><signatureDate>2003-07-31</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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