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Business And Organization
9 Months Ended
Sep. 30, 2011
Business And Organization [Abstract] 
Business And Organization
1. BUSINESS AND ORGANIZATION

Trex Company, Inc. (the "Company") is the largest manufacturer of wood-alternative decking and railing products, which are marketed under the brand name Trex®. The Company is incorporated in Delaware. The principal executive offices are located at 160 Exeter Drive, Winchester, Virginia 22603, and the telephone number at that address is (540) 542-6300. The Company operates in one business segment.