EXHIBIT 31.6

CERTIFICATIONS

I, Kenneth W. Smith, certify that:

1.	I have reviewed this report on Form 10-K/A of Gibraltar Industries, Inc.;
2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.	Omitted;
4.	Omitted; and
5.	Omitted.

Date:  September 30, 2008

/s/ Kenneth W. Smith  

Kenneth W. Smith 

Senior Vice President and Chief Financial Officer 

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