MESILÂ® ME821B weatherproofing silicone sealant is a one-part, RTV neutral curing, construction grade sealant. Used to seal for housing windows and doors, general glazing, showroom glazing and weatherproofing applications.
Excellent adhesion to a wide range of substrates including glass, stainless and galvanized steel, masonry, oil-free wooden window and doorâ²s frames, ect;
Ideal for expansion, connection, perimeter and other movement joints;
High level of mechanical properties;
High resistance to ageing, weather conditions, low and high temperatures, ozone and UV.