Roof window GGU is centre-pivoted and operated with a full-width control bar on the ventilation flap of the top sash. The ventilation flap allows fresh air to enter the room through a dust and insect filter. Frame, sash and ventilation flap are made of polyurethane moulded around a core of thermally modified timber with a finish of white lacquer. The exterior of the frame and sash is metal-clad and therefore maintenance-free. The window is equipped with an insulating glass unit.
KEY FEATURES
Guarantee: 10 years
U Value: 1.3