-----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,
 OLniDiaqvbSHQ+oiwDL53AU0f1OV8b/ZGmotzEV+UuAO5B9KNO/vC/Me/NnevJlh
 4YwyhSKMY0NEPDKvt0lTiQ==

<SEC-DOCUMENT>0000109870-05-000001.txt : 20050420
<SEC-HEADER>0000109870-05-000001.hdr.sgml : 20050420
<ACCEPTANCE-DATETIME>20050420154303
ACCESSION NUMBER:		0000109870-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050420
FILED AS OF DATE:		20050420
DATE AS OF CHANGE:		20050420

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLASSMASTER CO
		CENTRAL INDEX KEY:			0000109870
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTIC MAIL, SYNTH RESIN/RUBBER, CELLULOS (NO GLASS) [2820]
		IRS NUMBER:				570283724
		STATE OF INCORPORATION:			SC
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 788
		CITY:			LEXINGTON
		STATE:			SC
		ZIP:			29071
		BUSINESS PHONE:		8033592594

	MAIL ADDRESS:	
		STREET 1:		PO BOX 788
		CITY:			LEXINGTON
		STATE:			SC
		ZIP:			29071

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLASSMASTER PLASTICS CO
		DATE OF NAME CHANGE:	19830112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KOOLVENT METAL AWNING CO OF COLUMBIA
		DATE OF NAME CHANGE:	19670108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GLASSMASTER CO
		CENTRAL INDEX KEY:			0000109870
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTIC MAIL, SYNTH RESIN/RUBBER, CELLULOS (NO GLASS) [2820]
		STATE OF INCORPORATION:			SC
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-02331
		FILM NUMBER:		05761984

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 788
		CITY:			LEXINGTON
		STATE:			SC
		ZIP:			29071
		BUSINESS PHONE:		8033592594

	MAIL ADDRESS:	
		STREET 1:		PO BOX 788
		CITY:			LEXINGTON
		STATE:			SC
		ZIP:			29071

	FORMER NAME:	
		FORMER CONFORMED NAME:	GLASSMASTER PLASTICS CO
		DATE OF NAME CHANGE:	19830112

	FORMER NAME:	
		FORMER CONFORMED NAME:	KOOLVENT METAL AWNING CO OF COLUMBIA
		DATE OF NAME CHANGE:	19670108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-04-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000109870</issuerCik>
        <issuerName>GLASSMASTER CO</issuerName>
        <issuerTradingSymbol>GLMA.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000109870</rptOwnerCik>
            <rptOwnerName>GLASSMASTER CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 788</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEXINGTON</rptOwnerCity>
            <rptOwnerState>SC</rptOwnerState>
            <rptOwnerZipCode>29071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>GLassmaster common stock, par value $0.03/share</value>
            </securityTitle>
            <transactionDate>
                <value>2005-04-20</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-04-20</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>213231</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>GLassmaster common stock, par value $0.03/share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5608</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Wife</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>This report is being filed on behalf of Mr. Melvin L. Chavis, Sr. 5,608 shares are indirectly owned by Mr. Chavis's wife. 213,231 shares are directly owned by Mr. Chavis.</remarks>

    <ownerSignature>
        <signatureName>Neil McLeod, Designated Filing Agent</signatureName>
        <signatureDate>2005-04-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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