5-chamber window unit with mounting width: 70 mm. Invisible internal static rigid core, better weldability of profiles, stronger corner join points, improved window rigidity. Invisible welded gaskets not limiting the surface of the pane. Profiled, smooth groove makes it easier to keep the window clean. Excellent price-to-technical parameters ratio.
- Number of chambers: 5
- Frame width: 70 mm
- Glazing: double-glazed unit 4/16/4/ (argon)
- Gaskets: 2
- Heat transfer coefficient: 1,25 W/m2K (for a reference window)
- Standard elements: fitting with increased anti-break in security parameters, micro-ventilation