Stands out for its great tightness in all windows and doors types.
Its front opening can be both interior and exterior. It contains a hermetic seal between frame and sash, with double hermetic barrier at the frame-sash joint (double perimeter seal system).

Suitable window to generate controlled ventilation. It consists of a projecting sash with adjustable extension and retention arm. It is a window which is distinguished by its high tightness, unalterable to light and humidity. Also, facilitates curtains and blinds location, among others, as the sash opening is external.

A window with two opening possibilities, if the handle is turned by 90° a lateral opening is achieved, but if is turned by 180° an opening of the upper part of the window is achieved. Both options are interior openings which allows cleaning of window's exterior face from inside the room, aparticularly useful feature in high-rise buildings. This system allows the window to be kept open permanently with different levels of ventilation.