Moisture in homes is unavoidable, making moisture in wall cavities nearly inevitable - and dangerous if not properly addressed. CertainTeed's MemBrain Continuous Air Barrier & Smart Vapor Retarder is the industry's most advanced technology to create a better performing home.
In "mixed-climate" parts of the country, where homes heat in the winter and cool in the summer, homes using traditional polyethylene vapor retarders may actually trap moisture in the cavity during the summer - raising the risk of costly moisture and mold issues, structural damage, health consequences and liability.