=============================================================================== SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ----------------------------- FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 18, 2001 TREX COMPANY, INC. -------------------------------------------------- (Exact Name of Registrant as Specified in Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of (Commission File Number) (IRS Employer Incorporation) Identification No.) 20 South Cameron Street Winchester, Virginia 22601 (Address of Principal Executive Offices) (ZIP Code) Registrant's telephone number, including area code: (540) 678-4070 Not applicable ------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) ===============================================================================

Item 5. Other Events. On September 18, 2001, Trex Company, Inc. terminated an agreement to purchase approximately 100 acres of land near Knoxville, Tennessee. Trex Company had entered into the purchase agreement on February 20, 2001 to acquire a site for the construction of its third manufacturing facility. 2

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TREX COMPANY, INC. Date: September 18, 2001 /s/ Anthony J. Cavanna ---------------------------- Anthony J. Cavanna Executive Vice President and Chief Financial Officer 3