RELIANT BUILDING PRODUCTS, INC.
                           3010 LBJ Freeway, Suite 400
                            Dallas, Texas  75234-7749
                                 (972) 919-1000



                               Request for Consent

                                             December  20,  1999



Chase  Bank  of  Texas,  National
Association,  as  Administrative  Agent,
and  each  of  the  Lenders  parties  to  the
Credit  Agreement  referred  to  below

Ladies  and  Gentlemen:

     Reference is made to the Credit Agreement, dated as of January 28, 1998 (as
amended,  supplemented  or  otherwise  modified  from  time to time, the "Credit
Agreement"),  among Reliant Building Products, Inc. (the "Company"), the Lenders
parties  thereto,  Chase  Securities  Inc.,  as  advisor  and arranger, Canadian
Imperial  Bank  of  Commerce, New York Agency, as documentation agent, and Chase
Bank  of Texas, National Association, as administrative agent (in such capacity,
the  "Administrative  Agent").  Capitalized terms used herein without definition
have  the  meanings  assigned  to  such  terms  in  the  Credit  Agreement.

     The  Company  intends  to complete a restructuring of its capital structure
(the "Restructuring") to be implemented through certain amendments to the Credit
Agreement, an exchange offer and consent solicitation for its outstanding Senior
Subordinated  Notes,  and  a  $10,000,000  equity investment by certain entities
related  to  the  controlling shareholders of the Company's parent, RBPI Holding
Corporation.

     The  Company  hereby requests your consent to the execution and delivery by
the Company and the Administrative Agent of an amendment to the Credit Agreement
and  related  documentation  permitting  the Company to borrow from time to time
during the period from the date hereof to March 31, 2000 up to $2,000,000 in the
aggregate or such larger amount as may be acceptable to the Administrative Agent
(any  such  borrowing,  an  "Over  Advance")  in  excess  of the Total Revolving
Extensions of Credit outstanding as of the date hereof, notwithstanding that the
conditions  to  borrowing  set  forth  in  Section  5.2 of the Credit Agreement,
including  the  Borrowing Base condition, may not be satisfied as of the date of
any such Over Advance (other than that there be no Event of Default under any of
Section  8(a), (f), (i), (j), (k) or (l) in existence), provided that, each such
Over  Advance  shall be guaranteed in full by Keystone, Inc. and fully supported
by  either  cash  collateral or a letter of credit, in a manner, and pursuant to
documentation,  satisfactory  in form and substance to the Administrative Agent.
Such  guarantee  shall  in any event provide that the Over Advances shall not be
deemed to be repaid, and Keystone, Inc. will not be entitled to be subrogated to
the  rights  and interests of the Administrative Agent and the Lenders under the
Credit  Agreement,  until  all  amounts  owing  to  the Lenders under the Credit
Agreement,  under  any  Notes and under all other Loan Documents shall have been
paid  in  full  and  the  Commitments  shall  have  been  terminated.   Upon the
successful  completion of the Restructuring, such guarantee shall be released in
its  entirety  and  Keystone,  Inc. shall have no further obligation thereunder,
provided that the Total Revolving Extensions of Credit are then equal to or less
than  the Borrowing Base, and provided further that there be no Default or Event
of  Default  in  existence  at  such  time.

     If  the  foregoing  is  acceptable  to you, please indicate your consent by
executing this letter in the space provided below and returning an executed copy
via facsimile to Olivia Carroll at (212) 455-2502 NO LATER THAN MONDAY, DECEMBER
27,  1999.
<PAGE>


     If  you have any questions with respect to the foregoing, please call Buddy
Wuthrich  of Chase Bank of Texas, National Association at (214) 965-2578.  Thank
you  for  your  cooperation.

                                   RELIANT  BUILDING  PRODUCTS,  INC.



                                   By: /s/ C.W. Gilmore
                                       ----------------
                                   Title: Treasurer

Agreed  to:

Chase Bank of Texas
-------------------
(Name  of  Lender)

By: /s/ B.B. Wuthrich
    -----------------
Title: Vice President


Agreed  to:

Bank Boston, N.A.
-------------------
(Name  of  Lender)

By: /s/ C.B. Moore
    -----------------
Title: Vice President


Agreed  to:

KZH CYPRESSTREE-1 LLC
-------------------
(Name  of  Lender)

By: /s/ Peter Chin
    -----------------
Title: Authorized Agent


Agreed  to:

PARIBAS
-------------------
(Name  of  Lender)

By: /s/ Larry Robinson
    -----------------
Title: Vice President


Agreed  to:

VAN KAMPEN CLO II, LIMITED
-------------------
(Name  of  Lender)

By: /s/ Darvin D. Pierce
    -----------------
Title: Vice President


Agreed  to:

VAN KAMPEN
PRIME RATE INCOME TRUST
By: Van Kampen Investment Advisory Corp.
-------------------
(Name  of  Lender)

By: /s/ Darvin D. Pierce
    -----------------
Title: Vice President


Agreed  to:

CANADIAN IMPERIAL BANK OF COMMERCE
-------------------
(Name  of  Lender)

By: /s/
    -----------------
Title: Authorized Agent


Agreed  to:

SENIOR DEBT PORTFOLIO
By: Boston Management and Research
    As Investment Advisor
-------------------
(Name  of  Lender)

By: /s/ Barbara Campbell
    -----------------
Title: Vice President