<SEC-DOCUMENT>0001157523-20-000641-index.html : 20200504
<SEC-HEADER>0001157523-20-000641.hdr.sgml : 20200504
<ACCEPTANCE-DATETIME>20200504160159
ACCESSION NUMBER:		0001157523-20-000641
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20200504
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200504
DATE AS OF CHANGE:		20200504

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:		20844817

	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>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>a52213990.htm
<DESCRIPTION>TREX COMPANY, INC. 8-K
<TEXT>
Document 1 - file: a52213990.htm

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a52213990ex99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: a52213990ex99_1.htm

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<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>trex-20200504.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 3 - file: trex-20200504.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>trex-20200504_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 4 - file: trex-20200504_lab.xml

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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>trex-20200504_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 5 - file: trex-20200504_pre.xml

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<TEXT>
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<TYPE>XML
<SEQUENCE>7
<FILENAME>R1.htm
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<TEXT>
Document 7 - file: R1.htm

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<TYPE>ZIP
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<TEXT>
Document 8 - file: 0001157523-20-000641-xbrl.zip

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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>9
<FILENAME>Financial_Report.xlsx
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<TEXT>
Document 9 - file: Financial_Report.xlsx

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
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<TEXT>
Document 10 - file: FilingSummary.html

Document 10 - RAW XML: FilingSummary.xml

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<SEQUENCE>11
<FILENAME>a52213990_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: a52213990_htm.html

Document 11 - RAW XML: a52213990_htm.xml

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<SEQUENCE>12
<FILENAME>report.css
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<TEXT>
Document 12 - file: report.css

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<DOCUMENT>
<TYPE>JSON
<SEQUENCE>13
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: MetaLinks.json

</DOCUMENT>
</SEC-DOCUMENT>