CertainTeed 902009 9′ x 100′ Membrain Continuous Air Barrier and Smart Vapor Retarder

Traditional vapor retarder and air barriers just can’t do what membrain does: help prevent mold and mildew. Protect your home and your family from outdoor pollutants and allergens plus mold and wood rot. On your next remodeling project use membrain. Watch our short video to see how membrain with its revolutionary moisture sense technology works and how easy it is to install.

• Model 902009 is for 9 foot tall walls and is 100 feet long
• For use with un-faced insulation as a vapor retarder in climate zones where one is required
• Prevents moisture vapor from entering the wall cavity in the winter and allows any moisture buildup to escape the wall cavity in the summer
• Installs like poly with an extra level of moisture protection