Mapei's 10.1 oz. Cartridge Mapesil T Plus Silicone Tile Caulk is suitable for wet and dry environments, including bathrooms, kitchens, pools and spas, while its mold- and mildew-resistant formulation helps maintain cleaner-looking joints over time. The silicone sealant is also freeze/thaw resistant after curing and designed for applications exposed to movement and heavy traffic. A caulking gun is required for dispensing the cartridge, and the product is not paintable, making its coordinated color an important consideration when completing tile and grout installations.