Weatherproof silicone sealant for construction is a one-part, neutral caulking sealant, specially designed for general glazing, weather-sealing walls and building facades. It can easily be extruded under a wide range of temperature and react with moisture in the air to form a premium-performance elastic silicone rubber as an excellent adhesive to most of the construction materials without primer. Typical properties: border=0> Inner packing: 305ml/plastic bottle 500ml/pack Outer packing: 24pcs/carton