List of featured suppliers of CAVITY CLOSERS Insulated Fire Resistant BS 476 Part 20: 30 Minutes on Building Products Index
Cavity closers that are insulated and fire resistant for up to 30 minutes are materials used in building and construction projects to fill gaps or cavities between building elements. They are designed to prevent the passage of fire and heat while also providing thermal insulation. These cavity closers are tested and certified to meet specific fire safety regulations, in this case, BS 476 Part 20.