RD70 is highly suitable for windows that do not require a very large aperture while still optimizing both brightness and usability.
| Thermal break | Yes |
| The width of the glass containment gap | ≤ 48cm |
| The thickness of the profile strip | 2,2mm |
| The weight of the sash | ≤ 120kg |
| Max. dimensions Width x Height | 1000 mm x 2500 mm |
| Screen door with rigid and soft compositions | Yes |
| Sound insulation level (GB/T8485) | RW up to 39dB |
| Thermal insulation (GB/8484) | Uw 1,5W/m2 K |
| Water tightness (GB/T7106) | Frame A meets Class 1, Frame B meets Class 6 |
| Air permeability (GB/T7106) | Negative/positive pressure achieved Class 8 |
| Wind load resistance (GB/T7106) | From 1600Pa up to 5000Pa |
