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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,
 BQuLnCutkYw41YBelnCAQ2NRWixMKYG3V5IyMDnTqAdKBxy4I/kVCZJx6klFF1l/
 lNufEnSoFo3ZMqxPouPTig==

<SEC-DOCUMENT>9999999995-07-002271.txt : 20070607
<SEC-HEADER>9999999995-07-002271.hdr.sgml : 20070607
<ACCEPTANCE-DATETIME>20070607001519
ACCESSION NUMBER:		9999999995-07-002271
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070606
DATE AS OF CHANGE:		20070607
EFFECTIVENESS DATE:		20070606

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TREX CO INC
		CENTRAL INDEX KEY:			0001069878
		STANDARD INDUSTRIAL CLASSIFICATION:	LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400]
		IRS NUMBER:				541910453
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-143171
		FILM NUMBER:		07905316

	BUSINESS ADDRESS:	
		STREET 1:		160 EXETER DRIVE
		CITY:			WINCHESTER
		STATE:			VA
		ZIP:			22603-8605
		BUSINESS PHONE:		5406784070

	MAIL ADDRESS:	
		STREET 1:		160 EXETER DRIVE
		CITY:			WINCHESTER
		STATE:			VA
		ZIP:			22603-8605
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-06-06</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>14:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0001069878</cik>
            <entityName>TREX CO INC</entityName>
            <fileNumber>333-143171</fileNumber>
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</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
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