Murkka French is a twin leaf wood-aluminium balcony door with an aluminium clad frame and an external sash made of aluminium. The French balcony door can only be opened and locked from the inside. There are different appearances: as standard is full glass and as special order can be with spacer and panels. Possible extras that may be ordered are air vents, venetian blinds and decorative mouldings.

Heat retention (assumed):
U-value 1.0

Sound insulation (assumed):
Rw = 42-47 dB, Ctr = 35-45 dB