Murkka IOU is an outward opening single leaf triple glazing assembly balcony door. The frame and door leaf exteriors have aluminium cladding. Different appearances are possible: as standard is full glass but special solutions with a spacer or partially closed panels are also available.

Heat retenti on: 
U-value 0.78 to 0.74
Sound insulation: 
Rw = 33-42 dB