Doleta Nordic
- Frame 115 mm thick profiles
- Sash 77 mm thick profiles
- Units inside the sash 40 mm thick
- Two lines of sealing gaskets
- Sloping external aluminium sill of original design on the sash
- External frame and sash in one plane
- Scandinavian type „Nordic” system windows with outward opening
- Only three double-glazed units with a thickness of 40 mm or 52 mm are possible
- Uw up to 1.0 W/m²K
