What is the thickness of the fire-rated duct? A fire-rated duct need to be manufactured with only one skin, having a full thickness not exceeding 2mm. This measurement features the intumescent coating, which is essential for maximizing fire resistance. The modern construction of structures demands passive fire defense steps to https://zanexnaoc.elbloglibre.com/39613250/what-does-firesafe-fire-rated-ductwork-mean