This solution stands out with a minimalist 35mm central view, and with options for tri-rail and quadri-rail openings.
The new straight sashes N24 000 solution was developed to improve thermal and acoustic performance, allowing the use of double glass with a thickness up to 28mm. The rim development, allowing the connection to the casement and inner reveal bays, in combination with straight lines sashes results in a system with simple line profiles, and creating this ideal new solution for urban restoration. 
The system N24 000 OnUrb is an excellent response to market needs, by providing excellent results of the thermal, acoustic and functional coefficients.