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                                                                    Exhibit 10.3


                               TREX COMPANY, INC.

                              AMENDED AND RESTATED
                    1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS

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                                TABLE OF CONTENTS

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1.  DEFINITIONS ................................................................     1
2.  PURPOSE ....................................................................     2
3.  SHARES SUBJECT TO THE PLAN .................................................     2
4.  ANNUAL DIRECTOR FEES .......................................................     3
    4.1.  General ..............................................................     3
    4.2.  Form of Annual Fee ...................................................     3
    4.3.  Valuation of Options .................................................     3
5.  GRANT DATE .................................................................     3
6.  OPTION PRICE ...............................................................     3
7.  TERM OF OPTIONS ............................................................     3
8.  VESTING OF OPTIONS .........................................................     4
9.  SERVICE TERMINATION ........................................................     4
10. ELECTION TO RECEIVE ADDITIONAL OPTIONS .....................................     4
    10.1. Election Form ........................................................     4
    10.2. Time for Filing Election Form .......................................      4
    10.3. Modification of the Election Form ....................................     5
11. ADMINISTRATION .............................................................     5
    11.1. Committee ............................................................     5
    11.2. Rules for Administration .............................................     5
    11.3. Committee Action .....................................................     5
    11.4. Delegation ...........................................................     6
    11.5. Services .............................................................     5
    11.6. Indemnification ......................................................     5
12. AMENDMENT AND TERMINATION ..................................................     5
13. GENERAL PROVISIONS .........................................................     6
    13.1. Limitation of Rights .................................................     6
    13.2. No Rights as Stockholders ............................................     6
    13.3. Rights as a Non-Employee Director ....................................     6
    13.4. Assignment, Pledge or Encumbrance ....................................     7
    13.5. Binding Provisions ...................................................     6
    13.6. Notices ..............................................................     6
    13.7. Governing Law ........................................................     6
    13.8. Withholding ..........................................................     7
    13.9. Effective Date .......................................................     7
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DEFINITIONS

               To the extent any capitalized words used in this Plan are not
defined, they shall have the definitions stated for them in the Trex Company,
Inc. Amended and Restated 1999 Stock Option and Incentive Plan

1.1      "Annual Director Fee" means an annual fee earned by an Eligible
          Director for service on the Board of Directors.

1.2      "Board of Directors" or "Board" means the Board of Directors of the
         Company.

1.3      "Committee" means the Administrative Committee which administers the
         Plan.

1.4      "Common Stock" means the common stock, par value $0.01 per share, of
         the Company.

1.5      "Company" means Trex Company, Inc., a Delaware corporation, or any
         successor thereto.

1.6      "Election  Form" means the form used by an Eligible  Director to elect
         to receive all or a portion of his Annual  Director Fee for a Plan Year
         in the form of Options.

1.7      "Eligible  Director"  for each Plan Year means a member of the Board of
         Directors who is not an employee of the Company or any Subsidiary.

1.8      "Fair Market Value" means the closing price of a share of Common Stock
         reported on the New York Stock Exchange (the "NYSE") on the date Fair
         Market Value is being determined, provided that if there is no closing
         price reported on such date, the Fair Market Value of a share of Common
         Stock on such date shall be deemed equal to the closing price as
         reported by the NYSE for the last preceding date on which sales of
         shares of Common Stock were reported. Notwithstanding the foregoing, in
         the event that the shares of Common Stock are listed upon more than one
         established stock exchange, "Fair Market Value" means the closing price
         of the shares of Common Stock reported on the exchange that trades the
         largest volume of shares of Common Stock on the date Fair Market Value
         is being determined. If the Common Stock is not at the time listed or
         admitted to trading on a stock exchange, Fair Market Value means the
         mean between the lowest reported bid price and highest reported asked
         price of the Common Stock on the date in question in the
         over-the-counter market, as such prices are reported in a publication
         of general circulation selected by the Board and regularly reporting
         the market price of Common Stock in such market. If the Common Stock is
         not listed or admitted to trading on any stock exchange or traded in

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     the over-the-counter market, Fair Market Value shall be as determined in
     good faith by the Board.

1.9  "Grant Date" has the meaning set forth in Section 0 hereof.

1.10 "Option" means a non-qualified Option granted pursuant to the Trex Company,
     Inc. 1999 Stock Option and Incentive Plan.

1.11 "Option Agreement" means the written agreement between the Company and the
     Participant that evidences and sets out the terms and conditions of the
     Option.

1.12 "Option Price" has the meaning set forth in Section 0 hereof.

1.13 "Participant" for any Plan Year means an Eligible Director who participates
     in the Plan for that Plan Year in accordance with Section 0 hereof.

1.14 "Plan" means the Trex Company, Inc. Amended and Restated 1999 Incentive
     Plan for Outside Directors as set forth herein and as amended from time to
     time.

1.15 "Plan Year" means each fiscal year of the Company.

1.16 "Subsidiary" means any "subsidiary corporation" of the Company within the
     meaning of Section 424(f) of the Internal Revenue Code of 1986, as amended.

PURPOSE

       The purpose of the Plan is to provide an incentive for Eligible Directors
to increase their equity holdings in the Company so that the financial interests
of the Eligible Directors shall be more closely aligned with the financial
interests of the Company's stockholders.

SHARES SUBJECT TO THE PLAN

       The shares of Common Stock issuable under the Plan shall be issued
pursuant to the Trex Company, Inc. Amended and Restated 1999 Stock Option and
Incentive Plan.

ANNUAL DIRECTOR FEES

     General

       Each Eligible Director shall be entitled to an Annual Director Fee which
is equal in value to twenty-five thousand dollars ($25,000); provided, however,
that such Annual Director Fee may be adjusted by the Board. The Cash Portion of
the Annual Director Fee as defined in Section 0 hereof (after reduction pursuant
to

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Section 0 hereof) shall be paid to an Eligible Director in four equal quarterly
installments in arrears on the first business day of each quarter of the Plan
Year in which the Eligible Director is providing services to the Company.

     Form of Annual Fee

         The Annual Director Fee shall be paid in the form of: (i) an Option
representing fifty percent (50%) of the value of the Annual Director Fee and
(ii) cash representing fifty percent (50%) of the value of the Annual Director
Fee (the "Cash Portion of the Annual Director's Fee"); provided, however, that
pursuant to Section 0 hereof, the Eligible Director may elect to receive all or
a portion of the Cash Portion of the Annual Director's Fee in the form of an
Option of equal value.

     Valuation of Options

         The value of all Options to be issued under the Plan shall be
determined pursuant to the Black-Scholes stock option valuation model.

GRANT DATE

         The date of grant for Options granted under the Plan (the "Grant Date")
shall be the first day of the Plan Year.

OPTION PRICE

         The Option Price of the Common Stock covered by each Option granted
under the Plan shall be the Fair Market Value of such Common Stock on the Grant
Date.

TERM OF OPTIONS

         Each Option granted under the Plan shall terminate, and all rights to
purchase shares of Common Stock thereunder shall cease, upon the expiration of
ten years from the date such Option is granted.

VESTING OF OPTIONS

         On the first anniversary of the Grant Date, the Option shall be
exercisable in respect of 100 percent (100%) of the number of shares covered by
the grant. Any limitation on the exercise of an Option contained in any Option
Agreement may be rescinded, modified or waived by the Committee, in its sole
discretion, at any time and from time to time after the date of grant of such
Option. The Option shall be exercisable, in whole or in part, at any time and
from time to time, after becoming exercisable and prior to the termination of
the Option; provided, that no single exercise of the Option shall be for less
than 100 shares, unless the number of shares purchased is the total number at
the time available for purchase under the Option.

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SERVICE TERMINATION

       Except as otherwise provided in the Option Agreement, upon the
termination of service (a "Service Termination") of the Participant as a
director of the Company for any reason, any Option granted to a Participant
pursuant to the Plan shall become vested, and the Participant shall have the
right, at any time within five years after the date of such Participant's
Service Termination and prior to termination of the Option pursuant to Section 0
hereof, to exercise any Option held by such Participant at the date of such
Participant's Service Termination. After the termination of the Option, the
Participant shall have no further right to purchase shares of Common Stock
pursuant to such Option.

ELECTION TO RECEIVE ADDITIONAL OPTIONS

       Election Form

              A Participant who wishes to be receive all or part of the Cash
Portion of the Annual Director Fee in the form of Options shall file an Election
Form with the Company, in the form and manner prescribed by the Committee.
Filing of a completed Election Form will authorize the Company to issue Options
to the Participant in lieu of all or part of the Cash Portion of the Annual
Director Fee, in accordance with the Participant's instructions on the Election
Form. Options issued pursuant to an election made under this Section 0 shall
vest in accordance with the schedule set forth in Section 0 hereof.

       Time for Filing Election Form

              An Election Form shall be completed and filed by each newly
elected Eligible Director within thirty (30) days after the Participant's
election to the Board, and elections under the Plan made by newly elected
Eligible Directors shall apply to the Participant's Annual Director Fee for the
remainder of the Plan Year. Continuing Directors shall complete an Election Form
prior to the last day of the Plan Year for an Annual Director Fee earned in the
next succeeding Plan Year.

       Modification of the Election Form

              An election made by an Eligible Director pursuant to Section 0
hereof shall be irrevocable for the Plan Year for which such election is made.

ADMINISTRATION

       Committee

              The general administration of the Plan and the responsibility for
carrying out its provisions shall be placed in an Administrative Committee. The
Committee shall consist of at least two members appointed from time to time by
the

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Board of Directors to serve at the pleasure thereof. The initial Administrative
Committee shall consist of the President and the Chief Financial Officer of the
Company. Any member of the Committee may resign by delivering a written
resignation to the Company, and may be removed at any time by action of the
Board of Directors.

       Rules for Administration

              Subject to the limitations of the Plan, the Committee may from
time to time establish such rules and procedures for the administration and
interpretation of the Plan and the transaction of its business as the Committee
may deem necessary or appropriate. The determination of the Committee as to any
disputed question relating to the administration and interpretation of the Plan
shall be conclusive.

       Committee Action

              Any act which the Plan authorizes or requires the Committee to do
may be done by a majority of its members. The action of such majority, expressed
from time to time by a vote at a meeting (i) in person, (ii) by telephone or
other means by which all members can hear one another or (iii) in writing
without a meeting shall constitute the action of the Committee and shall have
the same effect for all purposes as if assented to by all members of the
Committee at the time in office.

       Delegation

              The members of the Committee may authorize one or more of their
number to execute or deliver any instrument, make any payment or perform any
other act which the Plan authorizes or requires the Committee to do.

       Services

              The Committee may employ or retain agents to perform such
clerical, accounting and other services as it may require in carrying out the
provisions of the Plan.

       Indemnification

              The Company shall indemnify and save harmless each member of the
Committee against all expenses and liabilities arising out of membership on the
Committee, other than expenses and liabilities arising from the such member's
own gross negligence or willful misconduct, as determined by the Board of
Directors.

AMENDMENT AND TERMINATION

              The Company, by action of the Board of Directors or the
Administrative Committee, may at any time or from time to time modify or amend
any or all of the provisions of the Plan, or may at any time terminate the Plan.
No

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such action shall adversely affect the accrued rights of any Participant
hereunder without the Participant's consent thereto.

GENERAL PROVISIONS

       Limitation of Rights

              No Participant shall have any right to any payment or benefit
hereunder except to the extent provided in the Plan.

       No Rights as Stockholders

              Nothing contained in this Plan shall be construed as giving any
Participant rights as a stockholder of the Company.

       Rights as a Non-Employee Director

              Nothing contained in this Plan shall be construed as giving any
Participant a right to be retained as a non-employee director of the Company.

       Assignment, Pledge or Encumbrance

              No assignment, pledge or other encumbrance of any payments or
benefits under the Plan shall be permitted or recognized and, to the extent
permitted by law, no such payments or benefits shall be subject to legal process
or attachment for the payment of any claim of any person entitled to receive the
same, except to the extent such assignment, pledge or other encumbrance is in
favor of the Company to secure a loan or other extension of credit from the
Company to the Participant.

       Binding Provisions

              The provisions of this Plan shall be binding upon each Participant
as a consequence of the Participant's election to participate in the Plan, upon
the Company, upon the Participant's heirs, executors and administrators and upon
the successors and assigns of the Participant and the Company.

       Notices

              Any election made or notice given by a Participant pursuant to
the Plan shall be in writing to the Committee or to such representative thereof
as may be designated by the Committee for such purpose and shall be deemed to
have been made or given on the date received by the Committee or its
representative.

       Governing Law

              The validity and interpretation of the Plan and of any of its
provisions shall be construed under the laws of the State of Delaware without
giving effect to the choice of law provisions thereof.

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       Withholding

              The Company shall have the right to deduct from the amounts
distributable hereunder any federal, state or local taxes required by law to be
withheld with respect to such distributions, and such additional amounts of
withholding as are reasonably requested by the Participant.

       Effective Date

              This Plan shall be effective as of March 12, 1999. The Plan was
amended and restated effective May 14, 2002.

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