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DIY Home Repair Forum: Roofing and Siding 08-23-2013, 02:41 PM
Replies: 13
Views: 8,758
Posted By BustMyBum
The purpose of a vapor barrier is to prevent...

The purpose of a vapor barrier is to prevent warmer (and more moist) INTERIOR air from reaching colder surfaces and resulting in moisture from condensation. As such, it is applied on the inner WARM...
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