The product is a flexible, polymer-based, non-cementitious, weather-resistive membrane that prevents water penetration and eliminates air infiltration. Previously, Backstop was approved for use with core-treated exterior-grade gypsum sheathing, Dens-Glass Gold, exterior cement and calcium silicate sheathing and APA exterior-grade CD-X plywood.
Dryvit backstop NT approved for use on concrete and masonry substrates
February 1, 2005
Dryvit Systems Inc. has announced that its Backstop NT product is now approved for use on concrete and masonry substrates.