Weatherseal Sealant

ALSEAL Weatherseal Silicone Sealant AS-207 is a one-component, non-slumping high performance, 100% neutral cure silicone sealant formulated with a calcium carbonate filler system. It gives superior adhesion and durability in a wide range of glazing, weather sealing, and trade applications. It has excellent resistance to weathering, UV radiation, vibration, moisture, ozone, temperature extremes, airborne pollutants, and many cleaning detergents and solvents.

Well-suited for a strong weatherproof seal on most common building materials such as aluminum, galvanized and zinc-coated steel, painted surfaces, glass, brick, and concrete. Widely used to seal external aluminum composite panels.