-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QjOJ6ovuYP81Sz2N1MwAhGDLTzwmqWZQMylGHhiylAoQ6J9Q0Jsj93L1SEuzYTJW
 XKFp4gKp7XRMhO54Tk9fYw==

<SEC-DOCUMENT>0001370946-09-000082.txt : 20090507
<SEC-HEADER>0001370946-09-000082.hdr.sgml : 20090507
<ACCEPTANCE-DATETIME>20090507084624
ACCESSION NUMBER:		0001370946-09-000082
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090505
FILED AS OF DATE:		20090507
DATE AS OF CHANGE:		20090507

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McMonagle James J
		CENTRAL INDEX KEY:			0001381819

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33100
		FILM NUMBER:		09803624

	MAIL ADDRESS:	
		STREET 1:		2100 ONE CLEVELAND CENTER
		STREET 2:		1375 EAST NINTH STREET
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44114

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Owens Corning
		CENTRAL INDEX KEY:			0001370946
		STANDARD INDUSTRIAL CLASSIFICATION:	ABRASIVE ASBESTOS & MISC NONMETALLIC MINERAL PRODUCTS [3290]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE OWENS CORNING PARKWAY
		CITY:			TOLEDO
		STATE:			OH
		ZIP:			43659
		BUSINESS PHONE:		419-248-8000

	MAIL ADDRESS:	
		STREET 1:		ONE OWENS CORNING PARKWAY
		CITY:			TOLEDO
		STATE:			OH
		ZIP:			43659

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Owens Corning (Reorganized) Inc.
		DATE OF NAME CHANGE:	20060731
</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>2009-05-05</periodOfReport>

    <issuer>
        <issuerCik>0001370946</issuerCik>
        <issuerName>Owens Corning</issuerName>
        <issuerTradingSymbol>OC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001381819</rptOwnerCik>
            <rptOwnerName>McMonagle James J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE OWENS CORNING PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TOLEDO</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>43659</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>$.01 Par Value Common</value>
            </securityTitle>
            <transactionDate>
                <value>2009-05-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1270</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40993</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Deferred share portion of quarterly Director retainer/fees.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Rodney A. Nowland by POA filed 1/9/07</signatureName>
        <signatureDate>2009-05-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----