Exactly what is the thickness of the fire-rated duct? A fire-rated duct need to be produced with one skin, aquiring a whole thickness not exceeding 2mm. This measurement contains the intumescent coating, which can be important for boosting fire resistance. Seem Seal is committed to controlling sounds in just about https://fireresistantductworkinst01223.blogsidea.com/46037285/the-basic-principles-of-firesafe-fire-rated-ductwork