Form of the Companys Notation of Guarantee

Exhibit 4.2

FORM OF NOTATION OF GUARANTEE

                    For value received, each Guarantor (which term includes any successor Person under the Indenture) has, jointly and severally, unconditionally guaranteed, to the extent set forth in the Indenture and subject to the provisions in the Indenture dated as of July 6, 2005 (the “Indenture”) among Texas Industries, Inc., the other Guarantors (as defined in the Indenture) and Wells Fargo Bank, National Association, as trustee (the “Trustee”), (a) the due and punctual payment of the principal of, premium, if any, and interest and Liquidated Damages, if any, on the Notes (as defined in the Indenture), whether at maturity, by acceleration, redemption or otherwise, and the due and punctual payment of interest on overdue principal premium, if any, and interest and Liquidated Damages, if any, on the Notes, if lawful(subject in all cases to any applicable grace period provided herein), and the due and punctual performance of all other obligations of the Company to the Holders or the Trustee all in accordance with the terms of the Indenture and the Notes and (b) in case of any extension of time of payment or renewal of any Notes or any of such other obligations, the same will be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at stated maturity, by acceleration or otherwise.  The obligations of the Guarantors to the Holders of Notes and to the Trustee pursuant to the Note Guarantee and the Indenture are expressly set forth in Article Ten of the Indenture and reference is hereby made to the Indenture for the precise terms of the Note Guarantee.  Each Holder of a Note, by accepting the same, (a) agrees to and shall be bound by such provisions and (b) appoints the Trustee attorney-in-fact of such Holder for such purpose.