In any building or environment where people gather, health and safety are a big issue-in the past few years, the implementation of simple safety precautions may have saved many lives, especially fires in buildings. Nowadays, there are strict fire protection regulations in commercial buildings and new residential buildings, especially in terms of fire doors and escape exits. The current law stipulates that fire doors or shutters should be installed in buildings that, when closed, will prevent the fire and/or any gas products from passing in the event of a fire. The performance of any fire door depends on the correct installation of the entire door assembly.
After understanding this principle, it is obviously best that all fire doors are equipped with automatic closing devices to protect the fire escape area, because these doors remain ajar for any period of time will cause dangerous situations and may have a negative impact on the fire. The flow of people moving between floors/rooms in an emergency.