Sliding arched type automatic smoke vents are mainly used for lighting, ventilation and smoke exhaust of steel structure industrial buildings. The overall frame and window frame of the smoke vents are made of aluminum. Window sashes use daylighting materials for daylighting, or choose to use sunlight panels, safety glass or FRP daylighting panels.

The opening mechanism of the smoke vent rooflight is set in the middle of the top of the device. The opening sash slides to one side to open. After opening, the ventilation area of the opening of the opening fan is not less than 90% of the opening fan. The top of the roof vents are designed as a circular arch Shape, convenient for drainage in summer, and hard to accumulate heavy snow in winter.