Where should the air barrier go on non-vented cathedral roof?
I am building a small house with a vaulted ceiling and a non-vented roof. I plan to use 2x10 rafters with fiberglass batts and 2 inches of foam on top of the roof sheeting. An asphalt shingle roof will go on top. I'm confused about where the air barrier should go. Drawings I have seen put it right under the roofing shingles and others have it under the foam. Also, what are my options for material for the air barrier. Do I need to do the entire roof with peel-and-stick or is there a cheaper way. I'm in Northern California just 2 miles from the ocean.
Posted Dec 12, 2012 4:44 PM ET
Edited Dec 14, 2012 7:58 AM ET
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