Bill Woodring

Bill Woodring's Posts

Unvented Roofs and Shingle Warranties

While the IRC has approved the use of certain "hot" unvented attics, it seems that asphalt-shingle manufacturers still recommend that their shingles be installed over vented roof assemblies. Does this mean that shingle manufacturers will void their warranties if the roof deck is insulated with sprayed-in-place foam? Read more

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