This short article focuses on the differing types of fire-rated ductwork and points out how to find the correct fire-rated duct Resolution. Even between UL Qualified fire-rated duct solutions, there are kinds which are acceptable for different fire-rated treatments: The immediate distribute of fire in the multi-Tale developing as scorching https://fireratedinsulationforduc34455.blogsumer.com/35970011/fire-rated-ductworth-an-overview