List of featured suppliers of DUCT SEALANTS Intumescent on Building Products Index
Duct sealants, intumescent are materials that expand when exposed to heat or fire in order to fill gaps and prevent the spread of flames and smoke through ductwork. These materials are typically used in HVAC systems to maintain fire ratings and prevent the spread of fire from one area of a building to another. Intumescent duct sealants are designed to maintain flexibility over time while still providing effective fire protection. They can also be used to seal around ducts and pipes, as well as to seal air leaks, which can improve energy efficiency in buildings.
