What's the thickness of a fire-rated duct? A fire-rated duct ought to be made with an individual skin, getting a full thickness not exceeding 2mm. This measurement contains the intumescent coating, which happens to be important for enhancing fire resistance. Based on the Earth Health Organisation (WHO), close to one https://fire-resistant-ductwork-m99011.blogvivi.com/40088777/the-greatest-guide-to-fire-resisting-ductwork