Thread: Closed cell foam: 3" as good as 6"?
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Aaron Fude Aaron Fude is offline
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Default Closed cell foam: 3" as good as 6"?
Hi,

Just received a quote for roof insulation with closed cell foam between
the rafters. The quote is for 3" and I am being told that 3" is 90% as
good as 6". Do I believe them?

Thanks,
Aaron
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