The roof-extension of the residential building is defined by 3 storeys and connects to the ridge height of the neighboring house in Grazbachgasse. In the area of Jakoministrasse the building drops from 3 to 2 storeys and connects again to the ridge-height of this neighboring-house.
The vertical and inclined roof-facades exists of 3-pane insulated glass.
The sun protection is defined by highly reflective and weatherproof perforated fabric, opaque from the outside, semi-transparent from the inside. Together with the glazing, the G- value of this construction is low. The sun blinds ensure a shading for the interior, which can be functionally and visually improved by an internal screening.
American Architecture Prize 2016 - Honorable Mention