Frame profiles are slightly different. There are separate designs for bearing racks, sashes, crossbars). In any case, profiles from one manufacturer are used for one window, which are cut at the factory to the required length and assembled into one structure. The elements are connected by special welding or mechanical hardware.
Bad products, even if they don't break the window on their own, can fix it in the wrong position or block it when you don't want it to. And they can also creak, annoying the owners of purchased windows with low-quality fittings.
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.
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.
The mounting thickness of the exprof Aero breathable window frame is 101 mm. This is the optimal size to ensure a high level of noise and heat insulation even for three-chamber profiles, as well as high-quality ventilation with closed doors.
The choice of windows for an apartment Before choosing metal-plastic windows for an apartment, you should decide on the manufacturer. Giving preference to such a brand as REHAU, the consumer has a chance to purchase a reliable window with energy-saving double-glazed windows in Kyiv. Video: How to choose windows in an apartment? How to choose the right plastic window?
Reliability from Salamander: choosing German windows! The best plastic windows are those that satisfy you in terms of size, materials, appearance, functionality and price.
Competent installation remains an important aspect, so only qualified specialists should trust the installation of windows. To determine the ideal, it is necessary to understand in detail the features of the materials used in the manufacture of metal-plastic windows.
Three-chamber double-glazed windows are rarely used in PVC windows, as they are too thick and heavy. Modern technologies make it possible to achieve comparable indicators of thermal and noise protection in simpler ways.
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.