The entrance doors are performed, first of all, a protective function: a residential premises from nonresidential - entrance, a staircase or street, and confront unauthorized penetration. In this regard, the main quality is considered strength and reliability.
Handle on the rail door
Obviously, the door fittings must match the class of the product in order not to turn into a weak link.
Entrance Doors: Requirements
The most common option, judging by the reviews - metal. The disintegration consists of two sheets of steel - the thickness of the latter depends on the class class, and is amplified by ribbies, located inside the canvas. The steel box, made either by the welding, or the bending method, is fixed into the walls with a pin at least 15-20 cm long, which ensures high strength of the entire structure. To knock out a qualitatively installed box from the wall almost unreal. In the photo - metal sash.
The strength and reliability of the product has accompanying disadvantages - very high weight and complexity of installation. It is obvious that accessories for the inlet metal door must have certain properties:
- Strength - the handle must withstand the load created by the total weighing of the door leaf - from 80 kg, and the jumped sash will force. The parameter is achieved through the use of the appropriate materials and an increase in the size of the product;
- Moisture resistance - the entrance door is subjected to intensive effects of weather factors, of which the most destructive - rain and snow. The material of the accessories must successfully resist the action of moisture;
- Resistance to temperature differences - as a rule, such a necessity occurs during the operation of products in conditions of harsh winter and is important when it comes to a pressure version;
- Durability - repair of accessories installed on a metal sash to produce much more complicated: the web is very heavy, the replacement of elements requires either accurate compliance with the size, or drilling new holes, which reduces the overall strength of the design. To avoid additional difficulties and costs, it recommends initially choosing the most reliable accessories.
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Wooden doors are still widely used in urban apartments, significantly less demanding. Their weight is much smaller, the installation is much easier, so the handles and locks for wooden sash can be less durable and reliable.
Handles for the entrance door: design
- Stationary - is an independent element and is not associated with the locking mechanism. It is attached directly to the door leaf, most often has a P-shaped form, as for opening, according to user reviews, it is most convenient. It can also be performed in the form of a ball or even a loop. The stationary option is often used for decorating, giving the product an unusual, attractive appearance. This option is characterized by the greatest reliability, since it does not affect the strength characteristics of the door. It is recommended to choose this type of fittings for public institutions - schools, shops and the like.
- Pressure - associated with a fell latch that allows you to hold the sash tightly closed, but not locked. In the extended state, the tongue rests on the nest of the response plate and holds the spring. When the spring is pressed, it is compressed and the tongue is hidden inside the lock. The mechanism provides a tight contact of the sash and the riser of the box, which, in turn, facilitates the closure.
Installation of push fittings is somewhat more complicated. To install, you need to drill the door cloth through and fix the handles on the rod with one and on the other side, so when you choose, you should pay attention to the length of the pin. If necessary, the rod will have to be trimmed. Select for the input door is recommended option with a separate overlay, as it is much less demanding to parameters. The photo shows the option of accessories.
Pressure handles are often used with electronic locks.
- The swivel - or the nob is also associated with the Fale-latch, but to open the sash it is necessary to turn it. As a rule, it has a spherical shape. On wooden doors, you can still see the option where the Nob is connected and with a locking mechanism - in this case, a key well is placed in the center of the Noba. But on modern designs this version is no longer used. Any, outstanding over the web part - a handle, a larva of a cylinder lock, is a convenient lever for hacking, so it is recommended to choose a device in which accessories and locking mechanisms are not one.
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Methods of fastening
For the entrance door most often used in a mortise lock. Its installation weakens the door leaf, as it disrupts the integrity. To compensate, the lock is protected by cornmarklack. Method of installation will depend on the availability of this part.
- Fastening for armored paper - carried out with the help of screws. As a rule, the method is used for stationary options. The photo shows a sample of fastening.
- Fastening on the pin - must when installing push fittings. The pin passes through everything canvas and fixes on both sides with screws. Handles themselves are fixed on the pin. This method of attachment is more reliable and does not weaken the armored lining.
Materials
As already mentioned, the door handle for a metal sash should be highly mechanical strength and withstand a large load. Therefore, such materials as plastic or glass must be rejected initially.
- The tree is undesirable for the metal input structure, but can be used for wood. Attention should be paid to the feedstock: only solid wood solid wood can serve as a material for accessories, as the handle is exposed to great wear and soft wood simply erected after a short time.
- Stone - strictly speaking, we are talking about a steel product with a stone overlay. This is a pretty expensive option, although it is undoubtedly an attractive, judging by the reviews. Yet it is preferable to either in a private dwelling, or in an apartment building with protection. The handle in this case wears a purely decorative function. Pressure in such a fulfillment is extremely rare.
- Metal - anodized aluminum, silumin - aluminum and zinc alloy, steel and especially brass. The listed alloys are distinguished by high corrosive stability, durability, relative ease with high strength and excellent appearance. In the photo - steel fittings.
To improve their characteristics, special processing methods are used: polishing, nickel, staining, grinding, and the like.
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An equally interesting decorative option is to use forged products from cast iron. Bronze, iron and so on, with the design of the handles can be very original and even refined. In the photo - wrought-iron door handles.