-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 P+D26ekZ/6wd0AJAII4STeKycWfulxSZKmfHyMvrilROPjC4XoOCJgLuZAQE/m1p
 KoqphI7sETFuAdcetTy89A==

<SEC-DOCUMENT>0001197902-11-000001.txt : 20110120
<SEC-HEADER>0001197902-11-000001.hdr.sgml : 20110120
<ACCEPTANCE-DATETIME>20110120133624
ACCESSION NUMBER:		0001197902-11-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110119
FILED AS OF DATE:		20110120
DATE AS OF CHANGE:		20110120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CRON DAVID
		CENTRAL INDEX KEY:			0001197902

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14450
		FILM NUMBER:		11538140

	MAIL ADDRESS:	
		STREET 1:		125 PHILLIPS AVE
		CITY:			SOUTH HECKENSACK
		STATE:			NJ
		ZIP:			07606

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEP INDUSTRIES INC
		CENTRAL INDEX KEY:			0000785787
		STANDARD INDUSTRIAL CLASSIFICATION:	UNSUPPORTED PLASTICS FILM & SHEET [3081]
		IRS NUMBER:				221916107
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		125 PHILLIPS AVE
		CITY:			SOUTH HACKENSACK
		STATE:			NJ
		ZIP:			07606
		BUSINESS PHONE:		2016416600

	MAIL ADDRESS:	
		STREET 1:		125 PHILLIPS AVE
		CITY:			SOUTH HACKENSACK
		STATE:			NJ
		ZIP:			07606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-19</periodOfReport>

    <issuer>
        <issuerCik>0000785787</issuerCik>
        <issuerName>AEP INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>AEPI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197902</rptOwnerCik>
            <rptOwnerName>CRON DAVID</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>125 PHILLIPS AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SOUTH HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Manufacturing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2847</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>26.36</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1640</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares sold at prices ranging from $26.10 to $26.51 per share.  Upon request by the SEC staff, the issuer or any security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F2">Adjusted to reflect correct holdings.</footnote>
        <footnote id="F3">An additional 60 shares of common stock were deducted from total holdings since the last Form 4 filing due to the holders election to receive cash in lieu of shares upon the vesting of performance units on January 12, 2010.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Sandra C. Major, Attorney-in-Fact</signatureName>
        <signatureDate>2011-01-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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