What's the thickness of a fire-rated duct? A fire-rated duct really should be produced with an individual skin, aquiring a overall thickness not exceeding 2mm. This measurement incorporates the intumescent coating, that's important for improving fire resistance. Therefore, it’s necessary to use inorganic adhesives able to enduring prolonged fire publicity. https://fireratedinsulationforduc90112.tinyblogging.com/top-latest-five-firesafe-fire-rated-ductwork-urban-news-83467896