We are experienced in manufacturing of Flameshield Non-Coated Fire Rated Ductwork, successfully tested at BRE in accordance with the requirements of BS476 part 24 for duct A (Fire Outside) and Duct B (Fire Inside). The ducts does not require any extra coating to make it fire rated. Ducts are suitable for Kitchen Extract , Smoke extract, Stair case and Lobby Pressurization car park Extract.