If you’re looking for the best silicone sealant try Silicone 3000. The sandstone silicone sealant 3000 is a high performance silicone sealant for walls and floors, developed to compliment the sandstone Grout 3000. Silicone 3000 is waterproof and is ideal for use as a coloured sealant indoor or out. It contains anti-mould technology and will protect against bacteria and mould growth. For more information please contact Direct Tile Warehouse or read the Silicone 3000 Data Sheet.