What's the thickness of the fire-rated duct? A fire-rated duct should be constructed with only one pores and skin, possessing a total thickness not exceeding 2mm. This measurement consists of the intumescent coating, which is important for improving fire resistance. Our merchandise feature in-depth instructions to manual you through Each https://fire-rated-insulation-for35688.iyublog.com/37673986/fire-rated-ductwork-for-dummies