Sovereign Silicone Sealants provide long lasting watertight seals to gaps and joints in various construction materials. 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. Sovereign Lead Sealant, a high performance low modulus neutral cure silicone that bonds well to metals and masonry. Low Mod Silicone is a neutral curing flexible silicone mastic for most construction applications and is particularly suitable for sealing around windows and doors between the masonry and frame. Construction Silicone is a low modulus acetoxy curing silicone.