Window structures made of plastic are now quite widespread. They continue to arouse sincere interest among many consumers. Plastic windows have a great appearance and design. They have many advantages and advantages. Inside the profile, metallic reinforcement is used, as a rule, from galvanized high -quality steel, which gives any products good additional rigidity, makes it possible to reliable fastening during installation. That is why, such window structures are called very often metal -plastic products. Currently, they can be seen in almost all settlements. Such windows are significantly distinguished by their aesthetic type. PVC design consumers attract soundproofing properties, high tightness and energy conservation. The installation of plastic windows is quite simple and is carried out, as a rule, in a few hours. Such frames do not require annual painting, no insulation for the winter is needed. Repair them, also is not required. One of the important functions of plastic windows is the ability to provide access to fresh air at any objects. PVC windows have high -quality and comfortable fittings. In operation, plastic windows are practical and convenient. Such windows are customary to be divided by consumer qualities. Wheel -glazed windows can have a different number of cameras: single -chamber packages – two I glass and one camera filled with air. Two-chamber have 3 glasses and 2nd chambers, etc. D. With the development of technology, profiles of plastic windows with 4, 5th and 6th cameras began to appear. Accordingly, the wider the profile, the more cameras, the tougher, warmer and has better sound insulation.