EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIBIARIES

In thousands except ratios	Six Months ended November 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		$	—	$	—	$	—	$	—