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Wooden panels as a design counterpart to glass

The extension of the WTO headquarters is located on the shore of Lake Geneva with a view of Mont Blanc. The lobby and a restaurant with a ­terrace are located in the base zone of the crystalline, transparent structure, with administration and office areas above. The rooms radiate a quiet, open atmosphere. The high proportion of glass is counterbalanced by profiled wooden panels on the ceilings.

Configuration overview

components used

  • LIGNO Acoustic light  | Wall cladding 

    Produktcode: LIGNO Akustik light 3S_33_a70g_625-23-8_WTL_gb_bl-w20
    Wood type


    Various wood species are available for the visible layer. For quality reasons, individual wood species cannot be configured for all profiles; for technical reasons, surface treatments are excluded for some wood species.

    Wood type

    _WTL Silver fir knotless, patterned



    The visible layer is profiled with joints. The code for profiling indicates in millimetres: Element width, strip width (rounded, from/to if applicable) and joint width (rounded) as well as a letter identification for variants, e.g. with chamfered strip edges or with additional height gradation.


    Note: Some profiles indirectly cause exclusions for other configuration options.


    _625-23-8 Slat profile 



    The face is subjected to a brushing _gb as standard, which produces a stronger or weaker structure depending on the type of wood and makes the surface less sensitive to scratches.  Alternatively, a smooth sanding _gs can be carried out, or on request a bandsaw cut _grimitated.


    _gb Brushed



    Depending on the type of wood, the optional application of a surface treatment is possible ex works. Individual colour finishes are always sampled for coordination. For elements in individual lengths, colour treatment is limited to max. 5 m length.


    _bl-w20 Lacquer white

    Room acoustics


    If the soffit of the element is to have a good sound-absorbing effect, the penultimate layer is configured as absorber _a50g. Otherwise, this layer is configured as a solid wood layer _a0.

    Room acoustics

    _a70g 70% Absorber



Project participants

  • wittfoht architekten bda


    Zur Uhlandshöhe 4
    70188 Stuttgart

  • Implenia Suisse SA


    Chemin de l'Echo 1
    CH - 1213 Onex

  • Fotografie Brigida González


    Neue Weinsteige 16
    70180 Stuttgart


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