Windows and doors
Every type of window
Timber-aluminium, PVC and PVC-aluminium windows, plus aluminium doors, supplied and installed across Switzerland. We install Internorm windows.
Timber-aluminium
Internorm HV 450
Timber inside, aluminium outside, and a blind built in between the panes: sheltered from dust, nothing to maintain.
- Thermal insulation Uw
- up to 0,62 W/m²K
- Sound insulation
- 39–47 dB
- Burglar resistance
- up to RC 2
- Frame depth
- 85 mm
PVC
Internorm KF 410
PVC insulates well and cleans with a sponge: a window that suits renovation and new builds alike.
- Thermal insulation Uw
- up to 0,62 W/m²K
- Sound insulation
- 34–47 dB
- Burglar resistance
- up to RC 2
- Frame depth
- 90 mm
PVC-aluminium
Internorm KF 510
An insulating PVC core with an aluminium shell that protects the façade and comes in the colour you choose.
- Thermal insulation Uw
- up to 0,64 W/m²K
- Sound insulation
- 34–48 dB
- Burglar resistance
- up to RC 3
- Frame depth
- 93 mm
Internorm values (product sheets on internorm.com, read on 5 October 2026): best values depending on glazing and configuration. Cross-sections: Internorm.
Windows, French windows, aluminium doors: send us your dimensions or plans.