Domestic products are inferior to a foreign manufacturer. But not in everything, for example, the thickness of the sheet in the European manufacturer is 1 mm, and in the domestic-2-3 mm. Domestic companies make doors to order, and the doors of foreign manufacturers act mainly in the finished form, excluding the ability to fit the doors to the requirements of the customer. We note the main parts of the steel door:- door box;- door itself;- fittings;- platbands;- bitch;- accessories (door pens, seals, pins, backlighting of the keyhole).There is such a classification of steel doors: 1. Elite doors. This is the upper bar in the production of metal doors. One of the advantages of this type of door is that they are made of natural materials. Such doors are very resistant to hacking thanks to a powerful frame, a locking system with a wide range of key combination. Such doors are equipped with the latest protective devices. Have an eye or video camera, heat and sound insulation.2.Middle class doors. At such a door there is a eye, 2 locks, a 2 mm thick sheet. A rubber seal, a layer of foam, felt or mineral wool as a heater3 is used around the perimeter.Economy class doors. The most inexpensive doors. They differ in the simplest design. These are the doors using vinylism. There is no protection system, sound insulation and thermal insulation. Steel doors of outpost are all kinds. The steel doors market also has a price classification: first group: doors up to $ 400. They have one steel sheet, the simplest stiffener ribs, there is no special lock protection. Second group: doors from $ 400 to $ 800. Have two steel sheets, high -quality profiles, platbands, premers, protective plate for locks. Third group: doors from $ 800 to $ 2500. The doors of foreign manufacturers basically get into this group. Such doors are characterized by expensive finishes, accessories, locks, valves. There may be additional loops and stiffener ribs. Fourth group: doors more than $ 2500. These are doors with special protection (armored -3 classes of protection, bulletproof – 4 class of protection, Kevlar).Installing steel doors – pleasure is not cheap. We will be happy if we helped you understand the types of steel doors.
