Minimalist sliding system, with a view in elevation of only 21 mm to the central profile, which allows, through the use of structural glass, the execution of large spans. With a depth from 172,5 mm in perimetral outer frame and 68 mm in the sash, the n25 500 system is available in the mono-rail, bi-rail, and tri-rail versions, through the use of connection structural polyamides.