Cornerstone Building Brands S-4 Registration of securities issued in business combination transactions

EXHIBIT 12.1

NCI Building Systems, Inc.
Computation of Ratios of Earnings to Fixed Charges

																				Pro Forma
																				Fiscal Nine			Fiscal Year
	Fiscal Year Ended													Fiscal Nine Months Ended						Months Ended			Ended
	October 30,		October 29,		October 29,			October 28,			November 2,			August 2,			July 27,			August 2,			November 2,
	2004		2005		2006			2007			2008			2009			2008			2009			2008
Income (loss) from continuing operations		44,890		55,951		73,796			63,729			78,881			(644,846	)		54,267			(642,241	)		89,214
Income taxes for continuing operations		29,767		40,260		45,236			41,096			51,499			(46,863	)		33,536			(47,248	)		55,425
Pretax income (loss) from continuing operations		74,657		96,211		119,032			104,825			130,380			(691,709	)		87,803			(689,489	)		144,639
Add:
Fixed charges as defined:
Interest cost		15,126		14,459		25,250			29,489			23,875			13,350			18,097			14,685			18,808
Interest component of rentals charged to operating expense		1,525		1,754		2,326			2,371			2,427			1,816			1,833			1,816			2,427
Total fixed charges		16,651		16,213		27,576			31,860			26,302			15,166			19,930			16,501			21,235
Amortization of Capitalized Interest		—		—		11			44			78			77			58			77			78
Subtract:
Interest Capitalized		—		—		(335	)		(660	)		(340	)		(321	)		(238	)		(321	)		(340	)
Earnings, as defined	$	91,308	$	112,424	$	146,284		$	136,069		$	156,420		$	(676,787	)	$	107,553		$	(673,232	)	$	165,612
Ratio of earnings (loss) to fixed charges		5.48		6.93		5.30			4.27			5.95			(44.63	)		5.40			(40.80	)		7.80