SX Sureseal Multi-Purpose Silicone, high performance silicone cures quickly to provide a permanently flexible seal which is weatherproof and mold resistant. High modulus silicone that cures quickly to provide a permanently flexible rubber seal and has a life performance expectancy up to 25 years. Silicone is ideal for sealing a wide range of building, glazing and household applications such as weather sealing around window and door frames, sealing around worktops and top sealing in glazing applications. Conforms to ISO 11600 F12.ES. Accommodates movement of + or - 25%.