PVC window system
IGLO Light
Even more daylight.
An original five-chamber PVC system with slim frame and sash profiles. Its movable mullion is 32% thinner than in traditional systems, admitting more daylight and giving the window a lighter, more contemporary appearance.
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0.88Uw W/(m²K)*
70 mmInstallation depth
5Chambers
2EPDM gaskets
Key features
A system designed for everyday comfort
- ✓A movable mullion 32% slimmer than traditional systems
- ✓Standard argon-filled single-chamber glazing, Ug = 1.1 W/(m²K)
- ✓V-Perfect thin-weld technology
- ✓MACO MULTI-MATIC KS hardware, microventilation and sash lifter
Window cross-section

Technical data
IGLO Light specification table
| Number of chambers | 5 |
|---|---|
| Installation depth | 70 mm |
| Thermal transmittance | Uw = 0.88 W/(m²K)* |
| Standard glazing | Argon-filled double glazing, Ug = 1.1 W/(m²K) |
| Sound insulation | 34 dB |
| Gaskets | 2 black EPDM gaskets: external and internal |
| Glazing spacer | Galvanised steel; Swisspacer Ultimate optional |
| Reinforcement | 1.5 mm C-shaped steel in frame and sash; 2 mm in balcony-door sash |
| Hardware | MACO MULTI-MATIC KS with 2 anti-theft strikers and Silber-Look coating |
| Comfort | Microventilation, sash lifter and handle misplacement lock |
| Welding | V-Perfect technology |
| Profile base | White |
* Uw = 0.88 W/(m²K) applies to a 1230 × 1480 mm reference window with steel reinforcement, argon-filled Ug = 0.6 W/(m²K) glazing and a Swisspacer edge.
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