Fire door in the installation of door frame, door should pay attention to the opening direction of the door, must be opened to the direction of evacuation. Resolutely put an end to cutting corners, in the daily supervision and inspection can often see some of the fire door construction installation unit in order to save costs, speed up the construction. When installing fire door, the existence is serious cut corners problem, some installs or do not install close door implement and sequence implement less, some a fire door should install 3 hinges, they install 2 or 1 hinges only only. Some fire door hinge has 4 screw holes only installation of 2 screws, reduced the fixed strength, some even installation of non-fire hardware fittings and door locks, some do not install fire sealing strip, some fire doors installed on ordinary glass or fire glass more than the specified area, and so on. Because fire door has fire prevention, lie between smoke, restrain fire to spread, the special function that protects personnel to evacuate should have good sealing sex so, these are the key aspect that installs fire door to must accomplish
