Membrain Vapor Barrier Finished Attic

Moisture in homes is unavoidable making moisture in wall cavities nearly inevitable and dangerous if not properly addressed.

Membrain vapor barrier finished attic.

For extra protection against moisture the membrain continuous air barrier and smart vapor retarder is your weapon of choice. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. By mike guertin cameron uses a cap stapler to attach certainteed s membrain to the ceiling joists of the fhb house project. In summer when humidity is high it increases permeability so that moisture can escape as air tightness is maintained.

It lets wall cavities dry out to help prevent mold. The best approach for a vented attic in a cold climate is installing a layer of drywall with a good coat of latex paint the paint creates a semi permeable vapor barrier. Over time this trapped moisture can rot the wood framing in your attic or cause mold and mildew to appear. Product overview for extra protection against moisture the membrain continuous air barrier and smart vapor retarder is your weapon of choice.

In summer when humidity is high it increases permeability so that moisture can escape as air tightness is maintained. Adding a second vapor barrier could cause condensation to become trapped in the insulation between the two vapor barriers. Certainteed s membrain continuous air barrier smart vapor retarder is the industry s most advanced technology to create a better performing home.