What is the thickness of the fire-rated duct? A fire-rated duct needs to be created with an individual skin, using a total thickness not exceeding 2mm. This measurement contains the intumescent coating, which happens to be important for maximizing fire resistance. Therefore, it’s necessary to use inorganic adhesives capable of https://fire-rated-ductwork77899.wssblogs.com/39417884/the-5-second-trick-for-firesafe-fire-rated-ductwork