SB-791 is a versatile, high performance silicone sealant which reacts with atmospheric moisture to produce a flexible silicone rubber, ideal for a wide variety of general purpose joint sealing and glazing applications. SB-791 provides exceptional cure stability. Capable of taking extension, compression, transverse and longitudinal movements, SG300 resists severe environmental conditions such as wind loading, wind driven rain, snow and sleet, and is impervious to acid rain, ozone, ultraviolet light and extreme temperature variations. Because of its excellent adhesive qualities, SB-791 provides the long-term performance required for demanding weatherproofing applications. SB-791 is recommended for use on both new construction and renovation projects