Tremsil 200 is a single-component acetoxy silicone sealant. When exposed to moisture in the air, Tremsil 200 cures into a flexible rubber. Tremco Tremsil 200 creates a weathertight seal for glass, metal, porcelain, ceramic, and most painted surfaces. The White and Clear variants may include a fungicide, making the sealant appropriate for use in bathrooms, spas, and similar environments where joints require protection from fungi and bacteria. It is packaged in 300 ml cartridges, with a total box quantity of 25.