The new Reynaers Concept Folding 77 (CF 77) is a completely new standalone folding system with unique features in comparison with other systems available in the market. With CF 77, Reynaers gives the most reliable answer to the increasing demand from end-users and architects for window systems that enlarge spaces and provide an aesthetic ‘state of the art’ solution. As a result, the principal advantages of the CF 77 system are transparency, one of the largest dimensions on the market, flexibility as well as the highest demands regarding insulation. Three standard threshold solutions: Flat Bottom, Low threshold and High performance. With Uw-value of 1.68 W/m²K according to EN 10077-2, Maximum vent sizes up to 1200 x 3000 mm, In and outward opening using the same profiles, Glass thickness up to 63 mm and a Vent weight up to 120 kg. CF77 is the ultimate Folding Door system.