


Alttrio Vero 25 is a top-tier architectural aluminium system in the Alttrio range of window and door solutions. It is designed for large openings and high-performance architectural applications where strength, durability, weather resistance, and aesthetics are critical. Alttrio systems are engineered to fit custom project dimensions rather than being generic off-the-shelf products.
| Central Node | Slim Interlock – 25 mm only |
| 2 Track Width | 155 mm |
| Frame Sideline with Shutter | 118 mm |
| Max. Single Sash Width | 1800 mm |
| Max. Single Sash Height | 3600 mm |
| Glass Thickness | 18 mm to 42 mm |
| Vent Weight | Up to 440 kg |
| Locking System & Hardware |
Premium solution with 2 hooks, expandable with 1 or 2 extra stainless steel hooks |
| Key Cylinder Locking | Available for enhanced security |




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