What is the thickness of a fire-rated duct? A fire-rated duct needs to be made with just one pores and skin, using a whole thickness not exceeding 2mm. This measurement contains the intumescent coating, that's essential for maximizing fire resistance. For that reason, it’s necessary to use inorganic adhesives capable https://jaideniaocr.pages10.com/a-review-of-fire-resisting-ductwork-specialists-74856976