EXHIBIT 12.1

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

TEXAS INDUSTRIES, INC. AND SUBSIDIARIES

	Three Months ended August 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		$	—	$	—	$	—