What's the thickness of the fire-rated duct? A fire-rated duct need to be manufactured with one skin, having a full thickness not exceeding 2mm. This measurement includes the intumescent coating, which is important for maximizing fire resistance. Integrity – The flexibility of the duct or ductwork to remain free of https://firesafe-fire-rated-ductw91223.blogdiloz.com/38002644/an-unbiased-view-of-fire-rated-ductwork