WD70T is an insulated aluminium door and window system with a 24 mm thermal break and a sash load capacity of up to 130 kg.
| Frame width | 70 – 80.5 mm |
| Sash width | 77.5 mm |
| Thermal break | 24 mm |
| Profile wall thickness | 1.5 – 2 mm |
| Min. glass thickness | 16 mm |
| Max. glass thickness | 45 mm |
| Min. sash dimensions | 350 × 700 mm |
| Max. sash dimensions | 1300 × 2800 mm |
| Max. sash weight | 130 kg |
