Exactly what is the thickness of a fire-rated duct? A fire-rated duct needs to be made with only one skin, aquiring a whole thickness not exceeding 2mm. This measurement features the intumescent coating, that is essential for enhancing fire resistance. Our products come with in depth Recommendations to guideline you https://fire-resisting-ductwork-s67899.blog-eye.com/39748268/indicators-on-fire-rated-ductwork-you-should-know