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Hot Roof vs Vented roof

2 years ago

Made a land purchase and looking to start our build in the next 12 months. A discussion with my neighbor brought up the topic of a hot roof vs vented roof.

The plan is to spray foam the whole house. I plan to have a few rooms with vaulted ceilings and those would have spray foam between the rafters. My question is, is it beneficial to spray foam the whole roof in that fashion, even if i don't plan to have a conditioned space that we use in the attic? what are the pro's and con's? Not pretending to know much about this so any advice is appreciated.

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