The innovative sliding system with choice of multitrack frames having depth of 60 mm, 74 mm, 92 mm and 108 mm. The qualified product design offers genuine sash overlap of 8 mm and thereby enhances safety in windy and stormy weather conditions. Numerous architectural elevations are possible with the range of profiles and accessories. Next to the ideal space-saving horizontal sliding options flyscreen’s can be provided on various window types for having an excellent protection against insects.