A well-insulated aluminum window and door frame that keeps your home quiet and energy-efficient, available in almost any size. Offered in two profile depths so you can match the frame to the opening: standard W62 for everyday rectangular windows and doors, and the deeper W72 for maximum insulation or custom angled and arched shapes. The system's thermal break chambers, foamed insulating inserts, and EPDM gaskets are engineered for high thermal and acoustic performance, with simple, reliable assembly.
| Characteristic | W62 / W72 |
| Sound insulation (depending on infill unit) | up to 43 dB / up to 48 dB |
| Thermal insulation, Uf | ≥ 1.76 W/(m²·K) / ≥ 1.58 W/(m²·K) |
| Air permeability | Class 4 / Class 4 |
| Watertightness | Class E1050 / Class E1050 |
| Wind load resistance | Class C5 / Class C5 |
| Frame depth | 62 mm / 72 mm |
| Sash depth | 70 mm / 80 mm |
| Max. infill unit thickness | 40 mm / 50 mm |
| Max. sash weight | up to 150 kg / up to 65 kg |
| Max. sash height | up to 3,000 mm / up to 2,500 mm |
| Max. sash width | up to 1,600 mm / up to 1,700 mm |
