Window structures are necessary for each structure. Today, most building brigades use PVC windows. Their cost is not one of the lowest. It is known that drainage systems are comparable to the prices of modern window structures. They are also required in the construction of any building. Distribution systems of which are relatively low are mainly used for the construction of residential complexes. PVC windows are widespread because they are reliable. They perfectly protect the premises of any type from extraneous noise and from the penetration of cold air in the winter time. PVC windows are complex structures, the creation of which works a large number of manufacturers.