A window profile is a window frame or, in other words, a bearing element of a window that is installed along the perimeter of the window opening. The window profile is installed double-glazed window and window fittings.
Window profiles are made of wood, aluminum, steel and fiberglass (fiberglass), but in this article we will talk about the window profiles made of PVC (polyvinyl chloride).
In the USSR, the development of plastic Windows engaged in the late 50’s, but further prototypes and glazing of several multi-storey houses did not go. In the West, the mass production of plastic Windows engaged in the early 60’s. Due to the ease of production and high performance, plastic Windows are widespread.