Depending on the package, can be sunscreen

Depending on the package, can be sunscreen

These windows open depending on the suspension of the sash. The most popular windows with medium -willed opening. The location of the handle can be either below or at the top. The window can be recorded in different positions for possible ventilation. Some types of these windows are also equipped with special screw-valve. After installing the attic windows, it is necessary to correctly perform slopes and window sills (not always). The slopes under the window are made vertically, and horizontally above the window, which will provide the desired circulation of warm air.