To complete your tiling project a good seal is required to ensure the integrity of the water resistance of the installation. Sovereign Kitchen and Bathroom Sanitary Grade Silicone is a top quality sealant that contains a fungicide to protect it from mould growth. Sovereign Kitchen and Bathroom Sanitary Grade Silicone is 100% silicone so will not shrink and has excellent adhesion to ceramic and porcelain tiles, glass and acrylics. To protect tiles and grout Sovereign Stone Sealer provides an oil and water resistant invisible barrier to all types of tiles. For slate tiles we recommend our Slate Sealer which whilst enhancing the appearance also provides water and oil repellency.