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I am building a 2000 SF house in Boston, Zone 5 with an unvented roof. In previous homes I have used 7" of closed cell foam. In an effort to…
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Recent Q&A
Flash & Batt Roof or Open Cell over Closed Cell roof assembly
I am building a 2000 SF house in Boston, Zone 5 with an unvented roof. In previous homes I have used 7" of closed cell foam. In an effort to…