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                                                                  EXHIBIT (B)(1)



BB&T                                                  BRANCH BANKING & TRUST CO.
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                                                      BUSINESS SERVICES

March 22, 2001                                     One West Pack Square (28801)
                                                   Suite 201
                                                   P.O. Box 450
                                                   Asheville, NC  28802
                                                   (828) 285-1800
                                                   Fax (828) 251-4650
CASCO International, Inc.
Mr. Charles R. Davis
Mr. S. Robert Davis
Mr. Jeffrey A. Ross
P.O. Box 310
Shelby, NC  28151

                                COMMITMENT LETTER

Dear Chuck, Bob and Jeff:

Branch Banking and Trust Company ("Bank") is pleased to offer you the following
commitment (the "Commitment") for a loan (the "Loan"). The terms and conditions
of this Commitment are as follows:

                                    TERM LOAN

         1.       Borrower: CASCO International, Inc. (the "Borrower").

         2.       Purpose: The proceeds of the Loan shall be used by the
                  Borrower to purchase outstanding shares of stock to take the
                  company private.

         3.       Collateral: The Loan shall be cross-collateralized with the
                  existing collateral securing the Asset Based Line of Credit
                  established July 30, 1998. Also, the Loan shall be secured by
                  a second lien deed of trust (the "Deed of Trust") on
                  approximately 14.6 acres and improvements of approximately
                  134,000 sq. ft. office building and warehouse located at 4205
                  E. Dixon Blvd., Shelby, NC 28152 (the Collateral").

         4.       Amount: The maximum principal amount of the Loan shall be
                  $2,200,000.00.

         5.       Advances: The proceeds of the Loan shall be advanced at
                  closing.

         6.       Interest Rate: The interest rate on the Loan shall be the
                  variable rate per annum of the Bank's Prime Rate plus .25% to
                  be adjusted daily as the Bank's Prime Rate changes.

         7.       Repayment Terms: Accrued interest only shall be repayable
                  monthly beginning three (3) months from the date of closing.
                  Fifty-six (56) equal monthly payments of principal and
                  interest shall then be payable beginning in the fourth (4th)
                  month from the date of closing, with a final payment of all
                  unpaid principal and accrued interest due at maturity.


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Commitment Letter to CASCO International, Inc.
March 22, 2001
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         8.       Guarantors: American Home Building Corporation, Mr. Chuck
                  Davis and Mr. Robert Davis shall be required to guarantee the
                  loan in full and execute appropriate documents at Loan closing
                  to evidence the obligation.

         9.       Commitment Fee: A commitment fee of $5,500.00 shall be payable
                  by Borrower to Bank at Loan closing.

         10.      Prepayment: Bank shall charge no prepayment premium should
                  Borrower choose at any time to prepay part or all of the
                  remaining principal balance due on the Loan.

         11.      Documentation: At Loan closing, the Borrower shall execute a
                  promissory note, security agreement, Deed of Trust, Loan
                  Agreement and other related documents and instruments
                  satisfactory to the Bank to evidence and secure the Loan.

         12.      Hazard Insurance: At the Loan closing, the Borrower shall
                  furnish Bank a hazard insurance policy for the replacement
                  cost of the Collateral naming Bank as lienholder/loss payee on
                  the business assets and Mortgagee/loss payee on the real
                  estate and improvements. The insurance company issuing the
                  policy must be acceptable to the Bank.

         13.      Appraisal: Prior to the Loan closing, the Borrower shall
                  submit three (3) copies of an appraisal on the Collateral
                  prepared by an appraiser engaged by the Bank. The first and
                  second liens on the real estate and improvements shall not
                  exceed 80% of the loan to value, without requiring additional
                  approved collateral.

         14.      Survey and Flood Hazard Certification: Prior to the Loan
                  closing, the Bank shall require the receipt of a satisfactory
                  survey of the real estate Collateral. The surveyor must
                  provide certification that the improvements are not located in
                  a special flood hazard area.

         15.      Title Insurance: Prior to the Loan closing, the Bank shall
                  receive a standard ALTA mortgagee title insurance binder on
                  the real property, and promptly after the Loan closing, the
                  Bank shall receive a standard ALTA mortgagee title insurance
                  policy covering the Deed of Trust satisfactory to the Bank as
                  to coverage and amount. The binder and policy shall show no
                  exceptions to coverage not acceptable to the Bank.

         16.      Assignment of Life Insurance Policy: The Bank shall receive an
                  assignment of a company life insurance policy with the cash
                  value of at least $700,000.00. The Borrower agrees to pay down
                  the $2,200,000.00 loan after closing to $1,500,000.00 from the
                  $700,000.00 insurance proceeds.

                     ASSET BASED LINE OF CREDIT MODIFICATION

         1.       Borrower: CASCO International, Inc. (the "Borrower").

         2.       Purpose: The modification of the existing Asset Based Lien of
                  Credit ("ABL") shall reduce the face amount from $5,000,000.00
                  to $3,000,000.00.

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Commitment Letter to CASCO International, Inc.
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         3.       Documentation: At Loan closing, the Borrower shall execute a
                  Note Modification Agreement to evidence the amendment to the
                  existing Promissory Note and Loan Agreement dated July 30,
                  1998.

         4.       Other Conditions Precedent: Other conditions precedent to the
                  modification to existing Asset Based Line of Credit (ABL):


                  a.     The Bank shall increase ABL reporting and audits from
                         moderate to standard reporting and servicing. Borrowing
                         availability based on 85% of eligible accounts
                         receivable and 50% of eligible inventory, with a
                         $1,500,000.00 limit on inventory. Standard ABL
                         reporting requires weekly loan base reports, monthly
                         Accounts Receivable agings, monthly inventory listings
                         and monthly Accounts Payable agings.

         5.       Existing Terms and Conditions: All terms and conditions of the
                  existing loan documents executed on July 30, 1998, and
                  Commitment Letter dated June 10, 1998, shall remain in full
                  force and effect.

                   STANDARD TERMS AND CONDITIONS FOR TERM LOAN
                         AND ASSET BASED LINE OF CREDIT

         1.       Credit Qualifications: This Commitment is issued in reliance
                  upon the accuracy and completeness of all information
                  furnished by or for the Borrower and guarantors and is subject
                  to the continued accuracy and completeness of all such
                  information. The extension of credit by the Bank pursuant to
                  this Commitment is subject to the condition precedent that the
                  Borrower and guarantors shall after the date hereof maintain a
                  financial condition acceptable to the Bank in its sole
                  discretion. In addition, the Loan is conditioned upon there
                  being no material adverse change which threatens the
                  Borrower's ability to repay the Loan or pledge the Collateral
                  to secure repayment.

         2.       Financial Information: While the Loan is outstanding, the
                  borrower shall provide the Bank with annual audited financial
                  statements within 120 days of the Borrower's fiscal year end
                  and monthly Borrower prepared financial statements. Also, all
                  individual guarantors and American Home Building Corporation
                  shall furnish annual financial statements and tax returns. In
                  addition, Borrower shall supply Bank with such other financial
                  information as the Bank may reasonably request from time to
                  time. All financial information shall be prepared in
                  accordance with GAAP and must be certified true and correct by
                  the Borrower.

         3.       Expenses: All expenses associated with the Loan are to be paid
                  by the Borrower. These expenses shall include, but are not
                  limited to, the attorneys' fees, appraisal fee, and all
                  necessary recording fees.

         4.       Attorney's Opinion: The Bank shall require a legal opinion
                  letter from Borrower's attorney, which must be acceptable to
                  the Bank and Bank's counsel.

         5.       Banking Relationship: The Borrower agrees to maintain its
                  primary depository account(s) with the Bank.


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Commitment Letter to CASCO International, Inc.
March 22, 2001
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         6.       Covenants: The Borrower agrees to adhere to the following
                  covenants, which shall be included, along with other
                  covenants, in a loan agreement to be executed by the Bank and
                  the Borrower at or prior to the Loan closing:

                  (a)      No additional company debt or leases without prior
                           written approval of the Bank.

                  (b)      No dividend payout without prior bank approval.

                  (c)      Maintain a maximum Debt/Tangible Net Worth of 11:1 at
                           closing.

                  (d)      Increase Tangible Net Worth by $400,000.00 or greater
                           by fiscal year end (12/31/01) and by a minimum of
                           $750,000.00 annually each year after 2001.

                  (e)      Maintain a minimum cash flow debt service ratio of
                           1.25x.

         7.       Conflicting Provisions: If any of the provisions of this
                  commitment letter shall be construed to conflict with any
                  terms or provisions contained in the Loan Documents, then the
                  Loan Documents shall take priority.

         8.       Other Conditions Precedent: Other conditions precedent to the
                  closing of this Loan include the following:

                  (a)      The commitment is based upon a satisfactory review of
                           the Borrower's final 2000 audit.

                  (b)      Prior to closing, the Bank shall review and approve
                           the final ownership structure.

                  (c)      The Bank shall engage outside counsel to represent
                           the Bank at this Loan closing at the Borrower's
                           expense.

                  (d)      The Bank's counsel shall provide a favorable opinion
                           on all aspects of the stock transaction including the
                           disposition of outstanding warrants.

                  (e)      American Home Builders to pledge closely held stock
                           to the Bank.

                  (f)      An updated personal financial statement on Chuck
                           Davis is required prior to closing.

This Commitment is open for your acceptance until the close of business on
February 16, 2001 (the "Expiration Date"), at which time this Commitment expires
if not accepted and returned to the Bank. In addition, this Commitment shall
expire and the Bank shall not be required to make the Loan if the Loan does not
close by March 16, 2001. To acknowledge your acceptance, please return a signed
copy of this letter to my attention at the following address on or before the
Expiration Date:


Branch Banking and Trust Company
P.O. Box 450
Asheville, NC  28802

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Commitment Letter to CASCO International, Inc.
March 22, 2001
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Very truly yours,

BRANCH BANKING AND TRUST COMPANY

By:        /s/ Laura A. Herring
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                            Laura A. Herring

Title:     Sr. Vice President
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Phone:     828-232-4360
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The foregoing terms and conditions are hereby accepted and agreed to this 15th
day of February, 2001.


CASCO INTERNATIONAL, INC.

By:        /s/ S. Robert Davis
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Title:     Chairman
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GUARANTORS:

AMERICAN HOME BUILDING CORPORATION

By:        /s/ Charles R. Davis
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Title:
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By:        /s/ S. Robert Davis
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Title:
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/s/ Charles R. Davis
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                       Charles R. Davis

/s/ S. Robert Davis
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                        S. Robert Davis