Fire-rated ductworks are required to carry out the smoke outdoors the developing, even applying lover assisted devices. If a smoke extraction ductwork is wholly contained in just a fire compartment, it needs to be able to at the very least resisting the anticipated smoke temperatures created during the development of https://greasetightextractductwor45566.life3dblog.com/35757296/not-known-details-about-fire-resisting-ductwork-insulation