EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIBIARIES



|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|------------------------------------------------------------------------------------------------- | ---- | ---------------------------- | ------ | ---- | ------------------ | - | ------- | - |  | ---- | ------ | ---- |  | ---- | ------ | ---- | - | ------ |  | - | ------ |  | - | -------
|In thousands except ratios                                                                        |      | Six Months endedNovember 30, |        |      | Year Ended May 31,
|                                                                                                  | 2006 |                              |        | 2005 |                    |   | 2006    |   |  | 2005 |        | 2004 |  | 2003 |        | 2002
|Earnings                                                                                          |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Income (loss) from continuing operations before income taxes and changes in accounting principles |      | $                            | 85,050 |      |                    | $ | (84,772 | ) |  | $    | (8,814 | )    |  | $    | 62,255 |      | $ | 59,096 |  | $ | 40,650 |  | $ | 75,577 
|Fixed charges                                                                                     |      |                              | 17,309 |      |                    |   | 20,319  |   |  |      | 38,929 |      |  |      | 30,044 |      |   | 31,240 |  |   | 21,058 |  |   | 26,771 
|Amortization of capitalized interest                                                              |      |                              | 550    |      |                    |   | 550     |   |  |      | 1,100  |      |  |      | 1,100  |      |   | 1,100  |  |   | 1,100  |  |   | 1,100  
|Less: Interest capitalized                                                                        |      |                              | (4,374 | )    |                    |   |        |   |  |      | (1,526 | )    |  |      |       |      |   |       |  |   |       |  |   |       
|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Adjusted earnings                                                                                 |      | $                            | 98,535 |      |                    | $ | (63,903 | ) |  | $    | 29,689 |      |  | $    | 93,399 |      | $ | 91,436 |  | $ | 62,808 |  | $ | 103,448
|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Fixed charges                                                                                     |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Interest expense                                                                                  |      | $                            | 9,487  |      |                    | $ | 16,342  |   |  | $    | 29,703 |      |  | $    | 21,824 |      | $ | 21,012 |  | $ | 11,025 |  | $ | 15,433 
|Interest capitalized                                                                              |      |                              | 4,374  |      |                    |   |        |   |  |      | 1,526  |      |  |      |       |      |   |       |  |   |       |  |   |       
|Net amortization of debt discount, premium and issuance expense                                   |      |                              | 697    |      |                    |   | 773     |   |  |      | 1,452  |      |  |      | 1,709  |      |   | 3,090  |  |   | 3,802  |  |   | 4,346  
|Interest portion of rent expense                                                                  |      |                              | 2,751  |      |                    |   | 3,204   |   |  |      | 6,248  |      |  |      | 6,511  |      |   | 7,138  |  |   | 6,231  |  |   | 6,992  
|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Total fixed charges                                                                               |      | $                            | 17,309 |      |                    | $ | 20,319  |   |  | $    | 38,929 |      |  | $    | 30,044 |      | $ | 31,240 |  | $ | 21,058 |  | $ | 26,771 
|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Ratio of earnings to fixed charges                                                                |      |                              | 5.69   |      |                    |   | (3.14   | ) |  |      | .76    |      |  |      | 3.11   |      |   | 2.93   |  |   | 2.98   |  |   | 3.86   
|                                                                                                  |      |                              |        |      |                    |   |         |   |  |      |        |      |  |      |        |      |   |        |  |   |        |  |   |        
|Deficiency of earnings to cover fixed charges                                                     |      | $                            |       |      |                    | $ | 84,222  |   |  | $    | 9,240  |      |  | $    |       |      | $ |       |  | $ |       |  | $ |       
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