The concealed frame system, available in the N14 200 and N14 300 variants, has a sash depth of 70mm and 80mm, respectively. Manufactured with thermally improved three-chamber profiles, it uses 24mm and 34mm polyamide bars reinforced with fibreglass. With a 66.5mm wide sash, this system features the concealed frame, which allows maintaining the same view in both fixed and moveable sections. 

Minimalist casement system featuring 45mm frames suitable for fixed/casement windows and doors, allowing for a total frame height of up to 2700mm and individual sash weights up to 170 kg.
Featuring a fixed frame depth of 73mm, the N17 100 system can be used to install bottom-hung and tilt and turn windows, as well as side-hung windows and doors.

Minimalist sliding system, with a view in elevation of only 21mm to the central profile, which allows, through the use of structural glass, the execution of large spans. With a depth from 172,5mm in perimetral outer frame and 68mm 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.