Exterior doors

In our turbulent times, when this becomes relevant expression that came to us from the shores of Albion, - "My home - my castle" - exterior doors are experiencing a kind of rebirth, like unto his inner being safe-door. Most of the inhabitants of cities - cities and owners of holiday homes to escape the increasing crime, trying to protect your home, apartment, secure front door. Numerous companies are engaged in the manufacture, sale and installation of exterior doors, usually metal. Unfortunately, among these companies there is a sufficient number of incompetent and dishonest. And if the purchase of interior door you risk only a certain amount of money spent on low-quality goods, then made a mistake in choosing his "protector", you can lose not only peace, health and property and lives. Exterior doors for its intended purpose can be divided into: Entrance doors for houses, apartment doors. It should be noted that all exterior doors of residential houses and apartments on fire regulations made swing. Door swing door design consists of a box which is fixed in an opening in the wall and a deaf or glazed linen, hung on the box. A box with a cloth hung door unit forms. Entrance doors for houses. Doors leading from the premises on the street, protecting the interior from the various atmospheric effects, they themselves must be protected from hacking and have an attractive appearance. The most rational way to have front doors on the side opposite to the direction of prevailing winds, so the jets hit driving rain at the door will be kept to a minimum. At a different location will often restore the painting and repairing the front door. In addition, in this case at the bottom of the door block is necessary to provide special measures against leaking in rain water in windy conditions or to protect the front door with a device awnings, canopies or vestibules. Tambura - a premises that serve as a buffer zone between the outer and inner air. Thanks to the lobbies in the winter cold air can not penetrate directly into the apartment, and the warm air - get out. Vestibules, therefore, perform thermal protection function. They are also often the place where the remains and do not penetrate further into the house or flat dirt and moisture. It is often necessary to provide high heat-shielding properties of the interior, in this case, insulating the doors, and to improve the sound insulation properties of the backfill used leaf with heavy bulk materials such as sand or lead shot. Door frames are made of wood, steel, aluminum, or combinations of these materials. Doors with double lining composed of two layers, joined with nails or glued boards. Double skin can be a panel doors. Quarters are formed due to the deepening of the double plating. Paneled door (strapping construction) consists of strapping and panels. Panels of glass or wood can be installed in slots binding, to be floating or closed glazing beads. Binding elements are connected to the spine and groove, wedging and gluing. With a thickness exceeding 50 mm tying the corners are joined by double spike. There is also a connection at an acute angle in the small spike. Apartment doors, ie doors separating the room from the apartment stairwell or lobby should be protected from hacking, to be soundproof and keep the heat inside the apartment. Soundproof ability to be certified test certificate authority of state institutions. The degree of sound insulation door is largely determined by its mass, as well as the properties of the material filling the interior space. According to standards of fire safety doors in an apartment high-rise buildings should hereby created from inside the apartment (that was possible in case of fire, knock the door and rescue the occupants from fire).