12 ft. x 100 ft. MemBrain Air Barrier with Smart Vapor Retarder | IA-MEMBRAIN12-CT

Moisture in walls is unavoidable, but managing it is easy with MemBrain Continuous Air Barrier & Smart Vapor Retarder. MemBrain with MoistureSense Technology installs  just like poly, but with an extra level of moisture protection, allowing wall cavities to dry out, helping prevent mold.* Unlike traditional  vapor retarders, MemBrain not only blocks moisture in the winter (when humidity in the cavity is low), it also increases permeability during the summer (when humidity is high), letting moisture escape while still maintaining air tightness. Use MemBrain with unfaced insulation in place of kraft faced insulation or polyethylene. * Not all climate zones require vapor retarders.

• Unlike traditional vapor retarders, MemBrain helps prevent mold by sensing and adapting permeance to varying humidity throughout the year to keep the wall cavity dry
• For use with unfaced insulation as a vapor retarder in climate zones where one is required
• Prevents moisture vapor from entering the wall cavity in the winter
• Allows any moisture buildup to escape the wall cavity in the summer
• Installs like poly with an extra level of moisture protection
• Model 902012 is for 12 foot walls and is 100 feet long