Kudzu Posted May 17, 2007 Report Share Posted May 17, 2007 Long time since I posted here. But I have a question. I ran into a metal roof today that was installed with the fasteners in the valley of the corrugated sheets. I am under the impression that the fasteners should be installed on the ridges and not the valleys. Am I mistaken? Quote Link to comment Share on other sites More sharing options...
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