Sto VaporSeal™ is a fluid-applied air barrier, Class 1 vapor barrier and water-resistive barrier (WRB). It can be used as part of StoTherm, StoPowerwall, StoQuik and StoVentec wall systems, and is suitable for use behind most exterior claddings including rainscreen, metal, wood, stone, brick, and masonry.
70-90 ft² (6.5-8.4 m²) when applied at 80 wet mils on smooth substrates
Coverage may vary depending on substrate, application technique, waste factor, and other variables that may exist.
