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Renovation indoor swimming pool WASSER:WERK

Family pool and sports pool in one 

Deckenverkleidung made of LIGNO® für das Hallenbad wasser:werk in Waldshut

During the renovation of the Waldshut-Tiengen town hall from the 1970s, the existing building was gutted, a foyer was added and the halls were made usable for cultural and sporting events. For the extension of the swimming hall, the massive concrete ceiling construction was continued in the form of filigree fair-faced concrete beams. Genuine timber acoustic panels arranged in wave form in between provide for dynamics and show: Wood in an indoor swimming pool is a good choice! 

Configuration overview

Components used

  • LIGNO® Acoustic light  |  Ceiling cladding 

    Product code: LIGNO® Acoustic light 3S_33_a70g_625-12-4_WTL-i_gb_b0
    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.


    _625-12-4 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.


    _b0 Untreated  

    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

    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  



Project participants

  • Stadtwerke Waldshut-Tiengen GmbH


    Peter-Thumb-Straße 1
    79761 Waldshut-Tiengen


  • S4 Architekten Michael Duffner, Henning Musahl, Gerold Müller, Ernesto Preiser



    Kalvarienbergstraße 1 a
    79761 Waldshut-Tiengen




    architekturbüro henning musahl
    Untere Haspelstraße 36
    79761 Waldshut-Tiengen



    Architekturbüro Gerold Müller

    Im Hasli 12
    79761 Waldshut-Tiengen




    Daimlerstr. 15
    79761 Waldshut-Tiengen


  • Schreinerei Tomasi


    Rudolf-Diesel-Straße 12
    79761 Waldshut-Tiengen

  • Foto & Design Gröber GmbH & Co.KG


    Untere Haspelstraße 29
    79761 Waldshut-Tiengen


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