- Large-size terrace lift and slide HST door;
Width of up to 6.50 m and height of up to 2.70 m (for four-sash structures);
- High energy efficiency;
- Large glazing option;
- High resistance to cold and noise thanks to the triple seal system;
- High safety and stability of the entire structure thanks to the special reinforcement both in the sash and in the frame;
- Design compatible with windows and doors from the same system.