List of featured suppliers of SEALANTS Mastic: by Special Function: Intumescent BS EN 1366-4 2006 on Building Products Index
Sealants, mastic with special function, intumescent BS EN 1366-4 2006 refer to a specific type of material used in construction and building projects. These materials are designed to expand when exposed to heat, providing fire protection and preventing the spread of flames. They are applied as a sealant or adhesive to gaps, joints, or openings in construction elements and are commonly used in fire-rated walls and floors. The intumescent sealant or mastic forms a barrier against heat, smoke, and flames, helping to contain a fire and prevent it from spreading to other areas of a building or structure.