Skylight windows
The attic is usually not the lightest room. Without a full-fledged window, it is dark and even during the day you have to use the electricity. A great solution to this problem will be special skylights windows. They are installed directly in the roof itself, the roof slope can be 15-90 degrees. The skylights windows of a high quality are resistant to the high environmental loads. It also become very popular windows to use in the commercial and common areas to save energy and provide day light in the building