The door operates on the base of innovative lift-sliding opening system that raises gently the sash moving on special rollers. Therefore, the door sliding is effortless.

The door threshold can be flush aligned with the floor surface from inside. The system enables exceptionally large glazing to be constructed what lights up maximally the interior making that it is spacious and prestigious in character.

Full functionality and operational comfort of the door stem from the possibility to slide and tilt the movable sash easily. The system operation simplicity allows very advantageous prices to be achieved, therefore the elegant and trendy large glazing can be available to every home.