Exactly what is the thickness of the fire-rated duct? A fire-rated duct really should be produced with one skin, having a full thickness not exceeding 2mm. This measurement features the intumescent coating, which happens to be essential for maximizing fire resistance. Partnered with Leading HVAC insulation manufacturers, General Insulation will https://firesafe-fire-rated-ductw14567.blogsidea.com/46118230/the-2-minute-rule-for-fire-resistant-ductwork-installers