EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIBIARIES





|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|----------------------------------------------------------------------------------------------- |  | ----------------- | - |  | ------------ | - |  | ------------------ | - |  | -------- | - |  | --------- |  | --------- |  | ---------
|                                                                                                |  | Nine Months ended |   |  |             
|                                                                                                |  | February 29,      |   |  | February 28, |   |  | Year Ended May 31,
|In thousands except ratios                                                                      |  | 2008              |   |  | 2007         |   |  | 2007               |   |  | 2006     |   |  | 2005      |  | 2004      |  | 2003     
|Earnings                                                                                        |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|Income (loss) from continuingoperations before income taxes andchanges in accounting principles |  | $ 61,853          |   |  | $104,601     |   |  | $150,491           |   |  | $ (8,814 | ) |  | $62,255   |  | $59,096   |  | $40,650  
|Fixed charges                                                                                   |  | 25,291            |   |  | 25,707       |   |  | 32,515             |   |  | 38,929   |   |  | 30,044    |  | 31,240    |  | 21,058   
|Amortization of capitalized interest                                                            |  | 825               |   |  | 825          |   |  | 1,100              |   |  | 1,100    |   |  | 1,100     |  | 1,100     |  | 1,100    
|Less: Interest capitalized                                                                      |  | (20,764           | ) |  | (8,109       | ) |  | (12,855            | ) |  | (1,526   | ) |  | --        |  | --        |  | --       
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|Adjusted earnings                                                                               |  | $ 67,205          |   |  | $123,024     |   |  | $171,251           |   |  | $29,689  |   |  | $93,399   |  | $91,436   |  | $62,808  
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|                                                                                                |  |                   |   |  |              |   | 
|Fixed charges                                                                                   |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|Interest expensed and capitalized                                                               |  | $ 19,859          |   |  | $  20,534    |   |  | $  25,574          |   |  | $31,229  |   |  | $21,824   |  | $21,012   |  | $11,025  
|Net amortization of debt discount,premium and issuance expense                                  |  | 905               |   |  | 1,049        |   |  | 1,355              |   |  | 1,452    |   |  | 1,709     |  | 3,090     |  | 3,802    
|Interest portion of rent expense                                                                |  | 4,527             |   |  | 4,124        |   |  | 5,586              |   |  | 6,248    |   |  | 6,511     |  | 7,138     |  | 6,231    
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|Total fixed charges                                                                             |  | $ 25,291          |   |  | $  25,707    |   |  | $  32,515          |   |  | $38,929  |   |  | $30,044   |  | $31,240   |  | $21,058  
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|                                                                                                |  |                   |   |  |              |   | 
|Ratio of earnings to fixed charges                                                              |  | 2.66              |   |  | 4.79         |   |  | 5.27               |   |  | .76      |   |  | 3.11      |  | 2.93      |  | 2.98     
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |          
|                                                                                                |  |                   |   |  |              |   | 
|Deficiency of earnings to cover fixed charges                                                   |  | $       --        |   |  | $        --  |   |  | $        --        |   |  | $  9,240 |   |  | $      -- |  | $      -- |  | $      --
|                                                                                                |  |                   |   |  |              |   |  |                    |   |  |          |   |  |           |  |           |  |