Smoke vents are fitted into the roof of a building as part of the fire safety system. They are usually used within commercial buildings where there is a large volume of people, though they are also often used in blocks of flats. They are essentially a rooflight that is fitted into the roof of a building, but that is able to open to become a vent for smoke removal in the case of a fire.
You may also hear smoke vents being called SHEVs. This stands for smoke and heat exhaust ventilation, which refers to the function carried out by a smoke vent. (more…)