Window fillings consist of glazed window sashes, a window frame and a window sill. For civil buildings, they are made mainly of wood, metal-plastic and other materials. Usually opening window sash, consists of sash and transom, which can be opening or deaf.
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For low rooms, the guest provides sashes for the entire height of the window. By the number of leaves, two-leaf and three-leaf transoms are distinguished. The sash and transom consists of a strapping, that is, bars of the outer contour and there may be horizontal or vertical bars that serve to reduce the size of the glass. In heated buildings, in most cases, two window sashes are installed, this is an external and an internal one. For natural ventilation of the room, an opening transom or a window leaf is used, which cuts into the sash of the window sash. Window frames are inserted into the window frame and fixed in it on the hinges, window frames are fixed in the wall openings with ruffs, then laid with polyurethane foam. A window sill is located in the lower part of the opening from the side of the room, a drain is installed outside, which is covered with a sheet of roofing steel.
