Structural features of metal doors metal doors are the best means of protecting the home from unauthorized entry. Good metal doors, able to withstand the force hacking. With this task of helping them cope design features that differ from other types of doors (eg, wood). First of all, we should note a special way of attaching a metal door to the wall due to significant weight in the whole structure. Metal door frame has, due to which the door is installed in the door. In order to consolidate the vast amount of metal and hold in the wall, require special fasteners. They are long metal pins that hold the door frame inside the structure.

There is another method of attachment. It is implemented through the rough frame, attached to the main frame. Due to this construction of a metal door installation is much easier exercise. In addition, the process of adjusting the metal door after installation much easier. During installation and adjustment should be aware that door cloth, box, rigid chassis and other parts are made of metal and very heavy in weight. The thickness of the sheet metal depends on the purpose of a metal door and its level of Burglar resistance. For example, armored door will have greater weight than conventional metal door. Filler door frame also plays an important role as a means of protection.

Special filler has a heat and sound insulation qualities, resistance to fire. Last dignity allows the metal door to confront not only the burglary, but also fire. Along the perimeter of the metal door seal is to protect the room from the cold humidity, smoke, and so on. Thus, the metal door to perform its protective functions not only through the use of metal, but also additional design features and additional elements, which not only increase the heat and sound insulation properties of the door, but also can protect the room from the fire.