The EVOLUTION Awning window is a top hinged window system which opens out from the bottom.

Most commonly used with a chainwinder attached this allows you to open the sash to a minimium for contant airflow and also during all types of weather. Aslo available with a lever handle and even a remote control system for those hard to reach places. The standard top hinge used is a hook hinge, but also available are stainless steel friction stays.

It also allows for the fitting of a flyscreen which does not interfere with the windows operation.