Alphawin
| Certified since | May 1, 2011 |
| Climate zone | Cool, temperate |
| Type | Operable |
| Sub type | |
| Efficiency class | phA |
| Material | Timber / aluminium |
| UW | 0.78 W/(m2K) |
| Open type |
Description
Timber frame with insulation and external aluminium shell
| Name | Frame width | U-value | Ψ-value | Frsi-value |
|---|---|---|---|---|
| Flying Mullion | 107 mm | 0.84 W/(m²K) | 0.027 W/(mK) | 0.710 |
| Bottom | 96 mm | 0.93 W/(m²K) | 0.025 W/(mK) | 0.700 |
| Head | 96 mm | 0.72 W/(m²K) | 0.025 W/(mK) | 0.730 |
| Jamb | 96 mm | 0.72 W/(m²K) | 0.025 W/(mK) | 0.730 |






