List of featured suppliers of SEALANTS Mastic: by Composition: Silicone BS 5889 on Building Products Index
A sealant or mastic categorized under the composition of silicone BS 5889 is a type of adhesive that is made of silicone-based compounds. It is used to fill gaps or cracks that are present in buildings or structures to prevent the entry of air, water, or any other substance. Silicone sealants are known for their durability and flexibility, which allows them to withstand extreme temperature changes without cracking or peeling off. They are also resistant to UV radiation, chemicals, and weathering, making them ideal for use in indoor or outdoor applications.