EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIDIARIES



|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|------------------------------------------------------------------------------------------------- |  | ---------------------------- | ------ | - | ------------------ | - | ------ | ---- |  | - | ------- | - |  | ---- | ------ | ---- |  | ---- | ------ |  | - | ------ |  | - | ------
|                                                                                                  |  | Three Months endedAugust 31, |        |   | Year Ended May 31,
|In thousands except ratios                                                                        |  | 2007                         |        |   | 2006               |   |        | 2007 |  |   | 2006    |   |  | 2005 |        | 2004 |  | 2003
|Earnings                                                                                          |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Income (loss) from continuing operations before income taxes and changes in accounting principles |  | $                            | 26,087 |   |                    | $ | 43,265 |      |  | $ | 150,491 |   |  | $    | (8,814 | )    |  | $    | 62,255 |  | $ | 59,096 |  | $ | 40,650
|Fixed charges                                                                                     |  |                              | 7,455  |   |                    |   | 8,630  |      |  |   | 32,515  |   |  |      | 38,929 |      |  |      | 30,044 |  |   | 31,240 |  |   | 21,058
|Amortization of capitalized interest                                                              |  |                              | 275    |   |                    |   | 275    |      |  |   | 1,100   |   |  |      | 1,100  |      |  |      | 1,100  |  |   | 1,100  |  |   | 1,100 
|Less: Interest capitalized                                                                        |  |                              | (6,090 | ) |                    |   | (1,760 | )    |  |   | (12,855 | ) |  |      | (1,526 | )    |  |      |       |  |   |       |  |   |      
|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Adjusted earnings                                                                                 |  | $                            | 27,727 |   |                    | $ | 50,410 |      |  | $ | 171,251 |   |  | $    | 29,689 |      |  | $    | 93,399 |  | $ | 91,436 |  | $ | 62,808
|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Fixed charges                                                                                     |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Interest expensed and capitalized                                                                 |  | $                            | 5,781  |   |                    | $ | 6,955  |      |  | $ | 25,574  |   |  | $    | 31,229 |      |  | $    | 21,824 |  | $ | 21,012 |  | $ | 11,025
|Net amortization of debt discount, premium and issuance expense                                   |  |                              | 309    |   |                    |   | 347    |      |  |   | 1,355   |   |  |      | 1,452  |      |  |      | 1,709  |  |   | 3,090  |  |   | 3,802 
|Interest portion of rent expense                                                                  |  |                              | 1,365  |   |                    |   | 1,328  |      |  |   | 5,586   |   |  |      | 6,248  |      |  |      | 6,511  |  |   | 7,138  |  |   | 6,231 
|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Total fixed charges                                                                               |  | $                            | 7,455  |   |                    | $ | 8,630  |      |  | $ | 32,515  |   |  | $    | 38,929 |      |  | $    | 30,044 |  | $ | 31,240 |  | $ | 21,058
|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Ratio of earnings to fixed charges                                                                |  |                              | 3.72   |   |                    |   | 5.84   |      |  |   | 5.27    |   |  |      | .76    |      |  |      | 3.11   |  |   | 2.93   |  |   | 2.98  
|                                                                                                  |  |                              |        |   |                    |   |        |      |  |   |         |   |  |      |        |      |  |      |        |  |   |        |  |   |       
|Deficiency of earnings to cover fixed charges                                                     |  | $                            |       |   |                    | $ |       |      |  | $ |        |   |  | $    | 9,240  |      |  | $    |       |  | $ |       |  | $ |      
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