Everything about building materials, among other things, should also include the reliability of the material and environmental properties. The technology of plastic windows installations to our market came from foreign countries. Gradually, the technology has taken root and gained popularity among all segments of the population. At this time, absolutely everyone has the opportunity to establish, or replace window frames. Standard wooden frames, which, unfortunately, have outlived their operational age, change to modern plastic windows. The ability to purchase plastic windows of different manufacturers here plays a serious role.