What's the thickness of the fire-rated duct? A fire-rated duct should be built with just one skin, getting a whole thickness not exceeding 2mm. This measurement features the intumescent coating, that is essential for maximizing fire resistance. Consequently, it’s necessary to use inorganic adhesives capable of enduring prolonged fire exposure. https://fireratedinsulationforduc78990.bligblogging.com/40053516/a-secret-weapon-for-fire-resistant-ductwork-manufacturers