<PAGE>


                                                                   EXHIBIT 10.30

Confidential portions of this document indicated by ***** have been omitted and
filed separately with the Commission

                                     INDALEX
                     FIXED PRICE PURCHASE AND SALE AGREEMENT

This Agreement ("Agreement") dated this 13th day of September 2002, is between
Indalex, Inc. ("Seller") and ("Buyer") Featherlite Manufacturing.
Seller desires to sell certain goods to Buyer and Buyer desires to purchase
certain goods from Seller.
NOW THEREFORE, in consideration of these premises and the following
mutual agreement, the parties agree as follows:

     1.        Seller will sell to Buyer, and Buyer will purchaser from Seller,
               the aluminum extrusions identified on Schedule A attached hereto
               ("Product"), subject to the terms contained in this Agreement and
               the attached Schedule A. The quantity, delivery dates, terms, and
               prices for product are also set forth on Schedule A.

     2.        This Agreement shall have a term from the date hereof to December
               31st, 2002. This Agreement may not be cancelled by either party
               prior to the termination date without the prior written consent
               of the other. Buyer acknowledges that Seller intends to rely on
               this Agreement in fixing the prices and delivery dates of its raw
               material purchases necessary to fulfill this Agreement and as
               such, Buyer agrees to pay for the quantity specified on Schedule
               A. If Buyer cancels this agreement, or otherwise refuses
               shipments hereunder, Seller is entitled to recover any loss
               sustained from liquidating a metal position taken by the Seller
               on behalf of Buyer.

     3.        The pricing in this proposal is subject to Seller's ability to
               hedge the transaction. Seller will provide confirmation of the
               hedge immediately upon execution.

     4.        Seller's obligations are subject to Seller's credit approval with
               respect to each shipment to Buyer. Payment terms for the Product
               shall be as set forth in Schedule A. Seller's obligation to
               continue shipments of product is conditioned upon Buyer
               satisfying its payment obligations in full within the time period
               specified.

     5.        Either party's failure, at any time or times hereafter, to
               require strict performance by the other party of any provision of
               this Agreement shall not constitute a waiver, or affect or
               diminish the right thereafter to demand strict compliance and
               performance of this Agreement.

     6.        This Agreement (including Schedule A) shall constitute the entire
               agreement between the parties with respect to the Fixed Price
               Purchase and Sale Agreement. Except as specified in

<PAGE>
               this Agreement, the terms of sale and rights of the parties with
               respect to any specific order shall be as set forth in Seller's
               order acknowledgment as provided from time to time.

     7.        Seller shall not be liable for any defaults, damages, or delays
               in filling any order caused by conditions beyond Seller's
               control; including, but not limited to, acts of God, strike,
               lockout, boycott, or other labor troubles, war, riot, flood, new
               government regulation, terrorist acts or delays of Seller's
               suppliers or subcontractors in furnishing materials or supplies
               due to one of more of the foregoing or like causes.

     8.        This Agreement is extended to subsidiaries and affiliates of the
               parties.

     9.        All of the terms of this Agreement will be binding upon, inure to
               the benefit of and be enforceable by and against the successors
               and authorized assigns of Buyer and Seller.

     10.       Except as otherwise expressly provided in this Agreement, nothing
               in this Agreement, express or implied is intended to confer upon
               any other person or entity any rights or remedies under or by
               reason of this Agreement, this Agreement being for the exclusive
               benefit of the parties and their respective successors and
               assigns.

     11.       Neither party will assign any of its respective right or
               obligations under this Agreement to any other person without
               prior written consent of the other party, which consent will not
               be unreasonably withheld.

     12.       This Agreement shall be governed and interpreted in accordance
               with the laws of the State or the Province where the address of
               Seller is located as stated on the face of this Agreement

Buyer: Featherlite Manufacturing                     Seller: Indalex, Inc
Signed by Gary Ihrke                                 Signed by Patrick Wooley
Vice-President of Operations                         Regional V.P
9/13/02                                              9/13/02

SCHEDULE A
FIXED-PRICE PURCHASE AND SALE AGREEMENT

A1. MATERIAL DESCRIPTION: This agreement covers standard extrusions currently
being supplied or quoted to Featherlite Manufacturing ("Buyer") by Indalex, Inc.
("Seller") with specific pounds / pieces / feet by specific shape to be supplied
by Buyer.

A2. DELIVERY PERIOD: Start Date: April 1st, 2003    Finish Date: June 30th, 2003

A3. PRICE: ***** per pound of aluminum plus an additional ***** per pound for
Solids. ***** per pound for Hollows

A4. QUANTITY: Table A: Monthly Quantities (x000Lbs)

<TABLE>
<CAPTION>
1       2      3      4      5       6       7      8       9       10       11      12     Total
-------------------------------------------------------------------------------------------------
<S>     <C>    <C>    <C>    <C>     <C>     <C>    <C>     <C>     <C>      <C>     <C>    <C>
Mth     Mth    Mth    Mth    Mth     Mth     Mth    Mth     Mth     Mth      Mth     Mth    3
-------------------------------------------------------------------------------------------------
lbs     lbs    lbs    #      #       #       lbs    lbs     lbs     lbs      lbs     lbs    #
                      lbs    lbs     lbs                                                    lbs
-------------------------------------------------------------------------------------------------
</TABLE>

The quantity of aluminum extrusions to be sold under the agreement, as set forth
in Table A above, may not be altered without the express written consent of
Seller and Buyer. Buyer expressly acknowledges that this is a firm,
non-cancelable take or pay agreement.

<PAGE>

In the event that Buyer does not take the commitment each month as defined in
Table A, Buyer will reimburse Seller for any losses incurred. All monthly losses
will be settled by the end of the following month unless alternative
arrangements are mutually agreed upon by Seller and Buyer in writing.

The purchase price for extrusions purchased in excess of the pounds each month
as defined in schedule A are to be based on the contract price adjusted up or
down for the change in published average Mid-West Transaction price for P1020.
Taking the difference between the average Mid-West Transaction Price for the
month prior to shipment and subtracting the base Midwest metal price of this
Fixed Price Purchase and Sale Agreement will calculate the difference.

A5. PAYMENT TERMS: Payment in full within thirty (30) days from date of
shipment.

A6. TOTAL DOLLAR VALUE OF CONTRACT: Approximately: *****

A7. GOOD TO CALL ('GTC') CONTRACT   No: __ Yes: X If Yes, Expiration Date: U
12/31/02

If this is a GTC, and if the metal cannot be secured at the price indicated in
A3. by the expiration date, this contract becomes null and void. If the metal
can be secured by the expiration date, the customer will be notified in writing
that the metal has been secured.

A8. CONFIRAMTION OF HEDGE

Buyer: Featherlite Manufacturing                     Seller: Indalex, Inc
Signed by Gary Ihrke                                 Signed by Dave Mahaffrey
VP of Operations                                     Metals Manager
9/13/03                                              9/24/02