Upwards sliding door (parallel sliding)
- Door frame thickness 78 or 88mm
- Parallel movable upwards sliding door on GU sliding rails
- Active door frame on the room side
- Two seals in the doorframe
- Concealed top rail
- Thermostep threshold
- 3-glaze Ug 0.6Wm2K or 0.5Wm2K
- Glazing inside and sealing outside