BOSS GP Silicone Construction Sealant is a onepart acetoxy cure adhesive sealant that is suitable for gen eral construction sealing and adhesive applications. This product will adhere to clean metal, glass, many types of wood, silicone resins, vulcanized silicone rubber, ceram ics and plastic surfaces. A primer may be required for opti mum adhesion to some substrates. Cured sealant stays rubbery from -60 degF to 400 degF. BOSS GP silicone construction sealants ideally suited for sealing, glass windows, shopfronts, aluminium joints, showcases, aquarium, bus body building and automobiles.