2548wi04 IT-81 NG: (Operable)
2548wi04 IT-81 NG: (Operable)
2548wi04 IT-81 NG: (Operable): 1M1
2548wi04 IT-81 NG: (Operable): OB1
2548wi04 IT-81 NG: (Operable): OH1
2548wi04 IT-81 NG: (Operable): OJ1
IT-81 NG
| Certified since | 02 Aralık 2025 |
| Climate zone | Warm, temperate |
| Type | Operable |
| Sub type | |
| Efficiency class | phC |
| Material | Aluminium |
| UW | 0.99 W/(m2K) |
| Open type | Inward opening |
Description
Aluminium frame with thermal separation (low lambda PA 0.21 W/(mK)) and insulation (EPS 0.031 W/(mK)). Spacer: Swisspacer Ultimate, with polyurethane as a secondary seal. Pane thickness: 48 mm (4/18/4/18/4), rebate depth: 17 mm.
| Name | Frame width | U-value | Ψ-value | Frsi-value |
|---|---|---|---|---|
| Mullion 1 casement | 194 mm | 1,04 W/(m²K) | 0,023 W/(mK) | 0,750 |
| Bottom | 134 mm | 1,00 W/(m²K) | 0,024 W/(mK) | 0,760 |
| Head | 134 mm | 1,00 W/(m²K) | 0,024 W/(mK) | 0,760 |
| Jamb | 134 mm | 1,00 W/(m²K) | 0,024 W/(mK) | 0,760 |
