Double curved insulated steel window with glass fiber reinforced insulator and tempered cold-bend glass. The MHB Free Form Facade is one example of the extreme freedom to design that is possible with the unique solid steel thermally broken MHB profile systems. Creating unique and diverse possibilities to experiment with curvatures in two directions in ultra-slim 30 mm steel profiles. Solid steel profiles which enable a unique geometric freedom and are 100% recyclable. Due to the solid steel profiles and qualisteelcoat powder coat finish the facades have a lifetime expectancy of 100+ years.