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Old 07-25-2021, 02:16 PM   #25
John Mercier
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If you are going with GAF, you have to use and follow the directions that GAF has for the slope of that roof... or they will not cover any warranty.
If all the products come from one company, or as recommended by them, applied as they require, you will always be in better shape.

I see more and more of the warranty requests that I make coming back ''non-compliant''.

Roofing, siding, decking, windows, and site-finished doors are notorious for this.
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