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Riedlepark children's house in Friedrichshafen

Perfect room acoustics for playing and learning 

LIGNO® Akustik light an der Decke des Kindergartens Riedlepark in Friedrichshafen verbessern die Raumakustik

A wide, tribune like staircase in the foyer connects the so-called “Forum” with the group rooms on the upper floor. The highlight of the two-storey air space, which is generously lit via shed roofs, is a freely projecting, walkable wooden cocoon. It serves as a place of retreat but also as an action area. Its organic form provides a charming contrast to the clear geometric design of the rest of the new building.

Configuration overview

Components used

  • LIGNO® Acoustic light  |   Ceiling cladding 

    Product code: LIGNO® Acoustic light 3S_33_a70g_625-20-4_WTL-i_gb_bh-w10
    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-i 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.


    _625-20-4 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.


    _bh-w10 Oil, translucent  

    Fire behaviour

    Few configurations can be configured with a flame-retardant surface. This may result in a modified element structure, greater thickness or the need for measures in the area of the substructure.

    Fire behaviour

    _B-s2-d0 Fire retardant surface

    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

  • Stadt Friedrichshafen


    Adenauerplatz 1
    88045 Friedrichshafen


  • Lanz · Schwager Architekten BDA 


    Rheingutstrasse 7
    78462 Konstanz

  • Holzbau Löhle


    Schulstraße 3
    88699 Frickingen

  • Schreinerei Bucher GmbH & Co. KG


    Henkerberg 20
    88696 Owingen

  • Barbara Schwager


    Grünenbergweg 3

    78464 Konstanz


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