<SEC-DOCUMENT>0001193125-17-242499-index.html : 20170731
<SEC-HEADER>0001193125-17-242499.hdr.sgml : 20170731
<ACCEPTANCE-DATETIME>20170731170134
ACCESSION NUMBER:		0001193125-17-242499
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20170731
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Completion of Acquisition or Disposition of Assets
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20170731
DATE AS OF CHANGE:		20170731

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14649
		FILM NUMBER:		17993644

	BUSINESS ADDRESS:	
		STREET 1:		160 EXETER DRIVE
		CITY:			WINCHESTER
		STATE:			VA
		ZIP:			22603-8605
		BUSINESS PHONE:		5405426300

	MAIL ADDRESS:	
		STREET 1:		160 EXETER DRIVE
		CITY:			WINCHESTER
		STATE:			VA
		ZIP:			22603-8605
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d411475d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: d411475d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>d411475dex21.htm
<DESCRIPTION>EX-2.1
<TEXT>
Document 2 - file: d411475dex21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>d411475dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: d411475dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g411475img.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g411475img.gif

</DOCUMENT>
</SEC-DOCUMENT>