List of featured suppliers of LETTER PLATES Intumescent on Building Products Index
Letter plates, intumescent are components that are designed to prevent fire from entering and spreading through gaps in doors where mail slots or letter plates are installed. When exposed to high temperatures, the intumescent material contained within the letter plate expands, effectively sealing the aperture and preventing fire from spreading. This is a crucial safety feature in any building, particularly those with multiple dwellings or commercial spaces, as it helps to contain fires and limit the damage caused by smoke and flames.
