Ponzio PONZIO SW Aluminium Sash window

PonzioSW is a newly designed vertical sliding window, with aluminium thermal break type, that incorporates the most advanced technology available today to optimize safety, performance, reliability, and convenience of use.‎ THE BENEFITS OF VERTICAL SLIDING OPENINGS, ALSO KNOWN AS SASH WINDOWS OR HUNG WINDOWS - Recirculation of air: the simultaneous opening of the top and lower doors promotes ventilation and air recirculation while eliminating the annoying flapping of hinged doors - Movement is simple: The lack of counterweights and the contemporary preloaded balancing mechanism make door movement incredibly simple and reliable - Very few impediments: the vertical movement solves the problem of the overall proportions of the door opening, allowing you to make the most effective use of the available space - External surface cleaning: to enable access and cleaning of the exterior surface, there is an internal mechanism for the release (wasistas opening) of the sliding sash.‎ This mechanism is only to be utilized for cleaning, following which the sliding sash must be locked vertically again Further info from manufacturer on PONZIO SW Ponzio