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Using Spray Foam Insulation in Walls, Attics, and Foundations
Spray foam can be useful in several parts of a building, but walls, attics, and foundations do not behave the same way. Each area has different exposure, drying potential, access, and code considerations. A sound plan treats the foam as one component of the full assembly rather than applying the same specification everywhere. Wall applications In open wall cavities, spray foam can fit around framing and penetrations to create continuous contact with the substrate. Re
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