List of featured suppliers of SEALANTS Mastic: by Composition: Silicone BS 5889 Type A on Building Products Index
Sealants, mastic by composition, silicone BS 5889 type A refer to a type of material that is used for sealing joints, gaps, and cracks in various structures and surfaces. This compound is composed of silicone and conforms to the specific standards set by BS 5889 type A. It is typically applied to surfaces such as glass, metal, and concrete to provide a waterproof and airtight barrier against the elements. This type of sealant is commonly used in construction and building projects to ensure the longevity and durability of the structure.