<SEC-DOCUMENT>0001140361-17-006494-index.html : 20170214
<SEC-HEADER>0001140361-17-006494.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214094740
ACCESSION NUMBER:		0001140361-17-006494
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-56187
		FILM NUMBER:		17603274

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Clearbridge Investments, LLC
		CENTRAL INDEX KEY:			0001348883
		IRS NUMBER:				010846058

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		620 8TH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		800-691-6959

	MAIL ADDRESS:	
		STREET 1:		620 8TH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Clearbridge Advisors, LLC
		DATE OF NAME CHANGE:	20061012

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CAM North America, LLC
		DATE OF NAME CHANGE:	20060105
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>doc1.htm
<DESCRIPTION>NONE
<TEXT>
Document 1 - file: doc1.htm

</DOCUMENT>
</SEC-DOCUMENT>