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): April 20, 2004


                               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.)



               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 April 20, 2004,  Trex Company,  Inc.  issued a press release  announcing
financial  results for the quarter  ended March 31,  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:     April 21, 2004                  /s/ Robert G. Matheny
                                          ------------------------
                                          Robert G. Matheny
                                          Chairman and CEO




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




   Exhibit Number                        Exhibit Description
   -------------                         -------------------
       99.1                        Press release dated April 20, 2004