For a roof-window making company oriented to the future, the Designo i8 Quadro Roto electrical vasistas roof window is top of the range. It is the only window with an electrical system integrated directly into the frame for easy and effortless opening. A masterpiece of German engineering guaranteed for 15 years, the electrically operated vasistas window has a patented mechanism, soft opening and soft closing integrated in the side arms with automatic sash release for cleaning. Equipped with double seals around the perimeter of the frame for maximum energy savings, the window is heat-insulated at the factory and ready for installation without any additional elements to be ordered or made on site. With all Roto window models, the frame is fitted with a 3 cm insulation curb pre-installed and positioned above the brackets, with extensions supplied as standard for additional insulation and perfect integration into the roof system; vapour barrier connection sheet for increased air tightness and protection of the frame from condensation. No external screws against water seepage. Integrated handling straps for easy lifting at height. The electrical vasistas window is suitable for CasaClima Gold, nZEB and PassivHaus buildings. Smart Home Ready.