StoGuard® Rapid Seal is a one-component air barrier and waterproof material used to protect rough openings and for transition detailing in above grade wall construction. Rapid drying time will usually allow for same day installation of windows or top coating with other wall assembly components. StoGuard Rapid Seal is compatible with most common building materials, including concrete, concrete masonry, brick, gypsum sheathing, wood and cement based sheathings.