Finzone09 balcony glazing system protects the balcony from dust and rain as well as wind and noise while enabling year-round use of the balcony. Finzone09 balcony glazing system has a simple locking mechanism which enables to use the glass element closest to the side as the ventilation window that can be set in three different positions. Finzone09 balcony glazing system can be opened against the side walls one by one, freeing the whole glazing hole.