Alpha Extreme
| Certified since | May 10, 2023 |
| Climate zone | Warm, temperate |
| Type | Window System |
| Efficiency Class | phB |
| Material | PVC |
| UW | 0.99 W/(m2K) |
| Open type | Inward opening |
Description
Multi-chamber PVC window system reinforced with steel in the sash and with uPVC filled with PVC foam [0.050 W/(mK)] in the frame. The glass rebate and installation gap are insulated with PE foam [0.045 W/(mK)]. Maximum dimensions: 1800 x 2400 mm. The required temperature factor is not achieved at the threshold. Pane thickness: 52 mm (4/20/4/20/4), rebate depth: 15 mm. Spacer: SWISSPACER Ultimate with silicone secondary seal.
| Name | Frame width | U-Value | Ψ-Value | Frsi-Value |
|---|---|---|---|---|
| Mullion Fixed | 104 mm | 0.97 W/(m²K) | 0.024 W/(mK) | 0.720 |
| Mullion 1 casement | 144 mm | 1.06 W/(m²K) | 0.024 W/(mK) | 0.700 |
| Mullion 2 casements | 184 mm | 1.11 W/(m²K) | 0.023 W/(mK) | 0.690 |
| Bottom Fixed | 82 mm | 0.78 W/(m²K) | 0.024 W/(mK) | 0.720 |
| Top fixed | 82 mm | 0.78 W/(m²K) | 0.024 W/(mK) | 0.720 |
| Lateral fixed | 82 mm | 0.78 W/(m²K) | 0.024 W/(mK) | 0.720 |
| Flying Mullion | 165 mm | 1.07 W/(m²K) | 0.022 W/(mK) | 0.690 |
| Bottom | 122 mm | 0.99 W/(m²K) | 0.023 W/(mK) | 0.710 |
| Top | 122 mm | 0.98 W/(m²K) | 0.023 W/(mK) | 0.710 |
| Lateral | 122 mm | 0.98 W/(m²K) | 0.023 W/(mK) | 0.710 |
| Threshold | 90 mm | 1.83 W/(m²K) | 0.022 W/(mK) | 0.510 |
