The principal means of passive fire protection in structures is by completely enclosing areas with fire barriers. Fire barriers include fire doors, walls, ceilings and floors. Imen Fidar provides self-closing fire doors which have proper latching devices in order to provide as much resistance as possible to the Fire exit doors are often held open for the convenience of employees and visitors, creating a significant
fire hazard for all building occupants because of the break created in the fire barrier.Doors that are designed to be fire exit doors can be held open, but only if they are automatically release when building fire alarms are activated. spread of fire, smoke, and toxic gasses and minimize the break in protection.