The building is a hybrid construction. This means that the load-bearing walls, the intermediate slabs and the staircase core are made of concrete while the outer walls, the roof area and partly the inner walls are made of wood. The timber structure of this new replacement building is covered with PV modules installed as a rear-ventilated facade. The south-west façade (front) was assembled as a pilot and demonstration project to test a new type of installation. The prefabrication of the facade cladding was boosted by having windows, window frames and the substructure for the glass facade modules already assembled in a workshop.