Architect: Richard Meyer & Partners, New York (PSP-Architekten, Hamburg)
Construction: Mullion/transom façades (aluminium) on the penthouse floor, incl. inset window and door elements (aluminium), sun-protection features, metal cassette cladding (aluminium)
Metal construction cost: ca. € 750,000 share of the cost
Special features: Façades, some with a polygonal footprint, and with fully-glazed cornering, metal-clad door, slatted-wall cladding for main ventilation system, metal cassette cladding with concealed suspension and a variety of geometrical shapes
