Staircase top ventilation is an important part of the building’s smoke control system. Its main purpose is to release smoke and heat accumulated within the staircase during a fire, helping to maintain a clear and safer escape route for building occupants.

By providing a properly sized ventilation opening at the highest level of the staircase, hot smoke can be discharged naturally to the outside. This helps improve visibility, reduce heat and smoke build-up, and provide better access for fire-fighting personnel. The system can be designed for automatic or manual operation in accordance with the fire safety requirements of the building.