EXHIBIT 12

Gibraltar Industries Ratio of Fixed Charges	Year Ended December  31, 2008			Year Ended December  31, 2009			Year Ended December  31, 2010			Year Ended December  31, 2011			Year Ended December  31, 2012			Three Months Ended March 31, 2012		Three Months Ended March 31, 2013
Fixed Charges:
Interest costs		23,820			21,433			19,714			19,363			18,582			4,674		11,160
Capitalized interest		430			660			152			250			376			11		50
FIN 48 Interest		78			(55	)		13			38			(74	)		—		—
Portion of rental expense which represents interest		3,292			3,119			2,082			2,536			2,621			544		544
Total fixed charges		27,620			25,157			21,961			22,187			21,505			5,229		11,754
Earnings:
Pre-tax income		39,245			(58,183	)		(92,279	)		16,885			22,167			2,380		(5,898	)
Net distributed (undistributed) earnings of equity investees		—			—			—			—			—			—		—
Capitalized interest		(430	)		(660	)		(152	)		(250	)		(376	)		11		50
Impairment charges		—			—			—			—			—			—		—
Fixed charges		27,620			25,157			21,961			22,187			21,505			5,229		11,754
Total earnings		66,435			(33,686	)		(70,470	)		38,822			43,296			7,620		5,906
Ratio of earnings to fixed charges		2.41			—			—			1.75			2.01			1.46		—