A flexible, non-shrinking sealant designed for cellular glass and rigid thermal insulations. It serves as a vapor barrier, expansion joint sealant, and weather-resistant protector, remaining functional across wide temperature ranges. moisture protection, corrosion resistance, and extended insulation durability. 

Safe for polystyrene, it’s commonly used in metal jacketing laps and flashing applications, providing moisture protection, corrosion resistance, and extended insulation durability.