Architect: Prof. Dr.-Ing. Kahlen Planungsgesellschaft mbH & Co. KG, Aachen
Construction: Mullion/transom façades (aluminium), incl. inset window/door elements (aluminium), steel design, fully-glazed door elements
Metal construction cost: ca. € 120,000 share of the cost
Special features: Reconstruction of old building stock, external frame covering of 15 mm steel sheet (around three sides), special steel design internally for connecting the façade
