Nauheimer Dunkelklappe
| Certified since | May 10, 2017 |
| Climate zone | Cold |
| Type | Skylight |
| Sub type | Roof hatch |
| Efficiency class | phA+ |
| Material | GFRP |
| UW | 0.25 W/(m2K) |
| Open type |
Description
Glassfibre reinforced plastic frame, insulated by 150 mm Polyurethanfoam (0,028 W/(mK)). Note: The thermal quality of the system depends significantly on the installation situation. Therefor, the bottom-element should be covered with insulation as good as possible.
| Name | Frame width | U-value | Ψ-value | Frsi-value |
|---|---|---|---|---|
| Bottom | 127 mm | 0.37 W/(m²K) | 0.000 W/(mK) | 0.760 |
| Head | 127 mm | 0.37 W/(m²K) | 0.000 W/(mK) | 0.760 |
| Jamb | 127 mm | 0.37 W/(m²K) | 0.000 W/(mK) | 0.760 |