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Fittings Before choosing a plastic window, pay attention to fittings. It must: meet high strength and durability indicators: the best operational properties are shown by fittings with an external anti-corrosion coating; be multifunctional: easy to open, close, provide multi-stage, automatic, emergency, ventilation, scheduled operation, guarantee protection against unauthorized entry (break-in), prevent attempts to control children.

What you need to know when choosing fittings for windows Fittings are the last of the three elements that make up modern windows. This is not only a handle, but also a system of mechanisms that open and close windows in one mode or another. The fittings are made of metal alloys, and you should not save on them. The better the material (such as, for example, alloy steel), the easier the fittings work, the less force must be applied when opening / closing the window, and the longer the service life of the products themselves.

Availability of certificates For each component of the window (profile, double-glazed window, fittings, components) there is a separate GOST. Manufacturers of materials and products for completing windows must obtain certificates of conformity for their products.

Silicone The most resistant of all sealants. It does not give in to abrasion, is indifferent to frost and heat, is sufficiently resistant to the chemical components of urban air and detergents. But its price exceeds TPE and it is quite difficult to buy it, except to order it from a company that sells and installs metal-plastic windows and doors.

Modern wooden windows are equipped with durable "warm" double-glazed windows, they look aesthetically pleasing, but have a couple of significant drawbacks: high price and the need to update the coating.

Slotted air ducts are a channel with a damper that opens manually or automatically. Seam valves have a more complex device with a damper that shuts off the flow at a dangerous level of draft. Overhead mechanisms are able to provide the maximum influx of fresh air, however, they significantly reduce the sound and heat-shielding properties of the window block, therefore they are not widely used.

types of opening of shutters of plastic windows Deaf windows. Stationary construction of a frame and a double-glazed window. Blind windows do not have fittings and do not open. Most often they are installed as an element of a multi-leaf window or as a showcase. Tilt and turn window. This is the standard and most common type of opening, it is suitable for houses and apartments. The mechanism opens in a horizontal and vertical plane, it is suitable for rectangular, arched and trapezoidal structures. With this option, micro-slit ventilation is possible. Fanlight (windows with a transom). Shtulpovye windows (oar). Their shutters open in one plane and, as a rule, open into the interior of the room. Sliding blocks. Such windows are the right choice for rooms with limited space. They are ideal for glazing loggias and balconies.

Metal strips are hidden inside the profile and act as a strength enhancer. Sometimes windows of a similar design are called metal-plastic, which is more true than just plastic or PVC. The function of metal inserts is very important to ignore.

Slotted air ducts are a channel with a damper that opens manually or automatically. Seam valves have a more complex device with a damper that shuts off the flow at a dangerous level of draft. Overhead mechanisms are able to provide the maximum influx of fresh air, however, they significantly reduce the sound and heat-shielding properties of the window block, therefore they are not widely used.

For protection, comfort and beauty: how to choose plastic windows correctly The choice and purchase of metal-plastic windows requires the utmost responsibility, since the installed design provides for a fairly long service life - NOT a year or two, but decades! The modern market is replete with offers from both well-known and beginners offering ready-made engineering solutions, including non-standard ones.