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AAR-plywood roof decking not nailed properly

Q & A - Plywood Roof Decking Not Nailed Properly

Why is my plywood up off the roof deck? Jason asked, "I just got my roof done. They needed to replace some plywood around the edges. The old plywood sits mostly flat at the edges. The edges of the new plywood are not flat in places. In some places, the plywood ...


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Q & A - What is Alligatoring?

Roof alligatoring occurs when a modified bituminous roof surface is cracking. What is this picture of? Is it a picture of: A very dirty window Desert Mud Leather The chocolate cake left out in the sun None of the above. Looking at this unique photo it is hard to know what exactly it is if you are not ...


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