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): July 22, 2004


                               TREX COMPANY, INC.
                -------------------------------------------------
               (Exact Name of Registrant as Specified in Charter)


          Delaware                      001-14649                54-1910453
(State or Other Jurisdiction     (Commission File Number)       (IRS Employer
       of Incorporation)                                     Identification No.)



            160 Exeter Drive
          Winchester, Virginia                                    22603-8605
(Address of Principal Executive Offices)                          (ZIP Code)



Registrant's telephone number, including area code:  (540) 542-6300


                                 Not Applicable
                -------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)





Item 12. Results of Operations and Financial Condition.

     On July 22, 2004, Trex Company, Inc. issued a press release announcing
financial results for the quarter ended June 30, 2004. A copy of such press
release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

     The information contained in this report on Form 8-K shall not be deemed to
be filed for the purposes of Section 18 of the Securities Exchange Act of 1934
or otherwise subject to the liabilities of that Section.





                                    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:     July 22, 2004                     /s/ Robert G. Matheny
                                            ---------------------
                                            Robert G. Matheny
                                            Chairman and Chief Executive Officer





                                  EXHIBIT INDEX
                                  -------------


Exhibit Number                           Exhibit Description
--------------                           -------------------

    99.1                                 Press release dated July 22, 2004