Technical specifications:
- Construction depth 92mm, profile with 3 seals, central gasket
- The thickness of the external profile – 3mm
- 6 chamber profile
- Stiffened with galvanized steel closed on the frame, 2mm thick
- Glazing: 52-60mm, with 3 sheets of glass
- Roto hardware with microventilation and wrong counteraction system
- High window tightness to wind, rain and dust