What's the thickness of the 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 involves the intumescent coating, that's essential for improving fire resistance. Our products and solutions come with in depth Recommendations to tutorial https://firesafe-fire-rated-ductw13455.ltfblog.com/38058806/fascination-about-fire-resistant-ductwork-installers