by Vanessa Salvia

The first step in determining the proper air/vapor barrier is establishing the planned use of the building and considering the climate zone. Knowing the temperatures and general climate conditions the building will be exposed to is key in deciding what products to use. It is also imperative to regard the barrier as part of the entire wall assembly; the barrier material and all system components and accessories should be tested. The air/vapor barrier must also be continuous around the entire structure – including window wells and corners, roof joints, and flat areas of the building. Today, more clients seek out a permeable air and vapor barrier to be made from recycled products, in keeping with current concerns regarding sustainability.

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