JEP 1 | Hotel and Commercial Building at Joachim-Erwin-Platz 1

Location:
Düsseldorf, Germany

Architect:
Christoph Ingenhoven with ingenhoven associates

Client:
Alte Leipziger Versicherung

Design Start:
February 2022

Installation Start:
March 2022

Completion:
September 2024

FRENER & REIFER has realised another spectacular building envelope designed by Christoph Ingenhoven and ingenhoven associates - in the immediate vicinity of the visionary green facade of Kö-Bogen II

Scope of Work

Technical design, production and installation of the entire building envelope in glass, metal, wood and aluminium.

Exterior facade

• 1.150 m² double facade as oak window construction with vertical wooden pilaster strips and frontally located screen facade (scaled steel/glass construction)
• 900 m² aluminium stick system facade on ground and first floors
• 365 m² single-skin timber/aluminium construction as an inner courtyard facade between 2nd and 6th floors
• 470 m² steel stick system facade to 7th floor with frontally located screen facade (scaled steel/glass construction)
• 165 m² sheet metal soffit cladding
• 1023 m² roof and terrace waterproofing work
• 75 m² steel support structure for technical centre
• 5 ground floor sliding door systems

Courtyard

• 730 m² titanium zinc panel cladding as a ventilated rainscreen cladding (VHF)
• 360 m² climbing aids for facade greening
• Motorised gondola with monorail track access system

Innovations / Challenges

• City centre project with restricted space
• Just-in-time deliveries due to limited storage capacity on site
• Design highlight: double facade
  • Exterior scaled glass facade serves as protective screen against noise and weather
  • Interior timber facade forms the thermal envelope
• Greening concept
  • Extensive greening of entire main roof
  • Green inner courtyard facade with climbing aids to improve microclimate