Noncementitious Water-Resistive Membrane and Air Barrier - Backstop® NT™ Texture, Smooth & Spray

Backstop NT is a flexible, polymer based, noncementitious, air/water resistive barrier, which resists water penetration, eliminates air infiltration, and is vapor permeable. It is classified as a Class III vapor retarder over vertical, above grade walls. Backstop NT is available in three versions: