EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIDIARIES



|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|------------------------------------------------------------------------------------------------- | ---- | ------------------------- | ------- | ---- | ------------------ | - | ------ | - |  | ---- | ------- | - | ---- | - | ------ | - | ---- | - | ------ |  | - | ------ |  | - | ------
|In thousands except ratios                                                                        |      | Six Months endedNovember, |         |      | Year Ended May 31,
|                                                                                                  | 2007 |                           |         | 2006 |                    |   | 2007   |   |  | 2006 |         |   | 2005 |   | 2004   |   | 2003
|Earnings                                                                                          |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Income (loss) from continuing operations before income taxes and changes in accounting principles |      | $                         | 68,667  |      |                    | $ | 85,050 |   |  | $    | 150,491 |   |      | $ | (8,814 | ) |      | $ | 62,255 |  | $ | 59,096 |  | $ | 40,650
|Fixed charges                                                                                     |      |                           | 16,120  |      |                    |   | 17,309 |   |  |      | 32,515  |   |      |   | 38,929 |   |      |   | 30,044 |  |   | 31,240 |  |   | 21,058
|Amortization of capitalized interest                                                              |      |                           | 550     |      |                    |   | 550    |   |  |      | 1,100   |   |      |   | 1,100  |   |      |   | 1,100  |  |   | 1,100  |  |   | 1,100 
|Less: Interest capitalized                                                                        |      |                           | (13,269 | )    |                    |   | (4,374 | ) |  |      | (12,855 | ) |      |   | (1,526 | ) |      |   |       |  |   |       |  |   |      
|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Adjusted earnings                                                                                 |      | $                         | 72,068  |      |                    | $ | 98,535 |   |  | $    | 171,251 |   |      | $ | 29,689 |   |      | $ | 93,399 |  | $ | 91,436 |  | $ | 62,808
|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Fixed charges                                                                                     |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Interest expensed and capitalized                                                                 |      | $                         | 12,662  |      |                    | $ | 13,861 |   |  | $    | 25,574  |   |      | $ | 31,229 |   |      | $ | 21,824 |  | $ | 21,012 |  | $ | 11,025
|Net amortization of debt discount, premium and issuance expense                                   |      |                           | 607     |      |                    |   | 697    |   |  |      | 1,355   |   |      |   | 1,452  |   |      |   | 1,709  |  |   | 3,090  |  |   | 3,802 
|Interest portion of rent expense                                                                  |      |                           | 2,851   |      |                    |   | 2,751  |   |  |      | 5,586   |   |      |   | 6,248  |   |      |   | 6,511  |  |   | 7,138  |  |   | 6,231 
|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Total fixed charges                                                                               |      | $                         | 16,120  |      |                    | $ | 17,309 |   |  | $    | 32,515  |   |      | $ | 38,929 |   |      | $ | 30,044 |  | $ | 31,240 |  | $ | 21,058
|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Ratio of earnings to fixed charges                                                                |      |                           | 4.47    |      |                    |   | 5.69   |   |  |      | 5.27    |   |      |   | .76    |   |      |   | 3.11   |  |   | 2.93   |  |   | 2.98  
|                                                                                                  |      |                           |         |      |                    |   |        |   |  |      |         |   |      |   |        |   |      |   |        |  |   |        |  |   |       
|Deficiency of earnings to cover fixed charges                                                     |      | $                         |        |      |                    | $ |       |   |  | $    |        |   |      | $ | 9,240  |   |      | $ |       |  | $ |       |  | $ |      
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