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): June 22, 2005


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


           Delaware                001-14649             54-1910453
 (State or Other Jurisdiction     (Commission          (IRS Employer
       of Incorporation)          File Number)       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)




Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities Act (17
CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))






Item 2.02.   Results of Operations and Financial Condition.

             On June 22, 2005, Trex Company, Inc. issued a press release
announcing preliminary financial results for the quarter ending June 30, 2005
and revising its annual guidance for 2005. 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: June 22, 2005                    By: /s/ Robert G. Matheny
                                           -------------------------------------
                                           Robert G. Matheny
                                           Chairman and Chief Executive Officer






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


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

    99.1                         Press release dated June 22, 2005.