Sikasil Multipurpose Silicone Weatherproofing Sealant 111 White 1pc Description Usage For weatherproofing sealing nonstructural curtain wall joints, facade joints and system. Weather sealing in metal (not including copper), glass, stone, aluminium panel, and plastic. Excellent adhesion to most common building material. Advantages - One-component, neutral-cured with excellent adhesion, weatherability and elasticity for weather sealing in curtain wall and building facades. - Excellent weatherability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes. - With good adhesion and compatibility with most building material. - Remain flexible over a temperature range of -40 °C to +150 °C.