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Raising the roof of an apartment building

On top instead of next door

Das Dach wurde unter Verwendung von flächigen Lignotrend Brettsperrholz-Blockelementen neu aufgebaut und wird unterbrochen durch große Fenster in Form von Halbellipsen.
Die profilierten, akustisch wirksamen Echtholzoberflächen an den Holzelementen der Dachschräge sorgen für eine angenehme Raumakustik in der loftartigen Wohnung.
Die einzelnen Räume des offenen Grundrisses werden durch den hellen Holzboden gestalterisch miteinander verbunden.
Die helle Weißtannen-Oberfläche der Dachschräge, zusammen mit dem hellen Fußboden, sowie viel Licht durch die großzügigen Fenster, sorgen für eine freundliche Atmosphäre im Loft, die alle Funktionsbereich miteinander verbindet.
Die fein profilierte Oberfläche der Dachschräge ist nicht nur funktionell, sondern sieht auch sehr elegant aus.
Die feine Profilierung der Deckenverkleidung verleiht dem Loft einen zugleich dynamischen, als auch edlen Look.
Der schwarze Schwedenofen im Schlafbereich bildet durch seine Farbe und sein Material einen Kontrast zu den Holzoberflächen und sanften Naturtönen.
Die neu aufgesetzten Tonnengauben mit Kupferdeckung können sich auch von außen sehen lassen und verleihen dem Gebäude eine elegante Note.
Diesem Stadthaus in Rheinfelden wird durch die neu aufgesetzten Tonnengauben ein neuer Look verpasst, ohne den ursprünglichen Charakter des alten Gebäudes zu verlieren.

In Rheinfelden near Basel, the gable roof of a town house was demolished in favour of a mansard roof. The princess post was raised by about one metre and the roof was completely rebuilt. This made it possible to gain valuable living space, which was very generously designed in the style of a residential lofts: Kitchen and bathroom are only limited by half-height wall panels.

Configuration overview 

Components used 

  • LIGNO® Block Q  |  Roof component

    Product code: LIGNO® Block Q_70-150_rg0_s0_z0_p0_a0_625-12n25-4_WTE_gb_buv
    Installation top 


    Whether the element is open or closed at the top is determined by the area of application. If, for example, the element is to be filled with fill on site as a storey ceiling or roof terrace (LIGNO® Rippe Q3-x), its cavities are open at the top (feature _r0). To guide pipes at the top of the element, a cross grid (_r25, _r50) can be added to some superstructures. For roof superstructures, there is usually a flat closed finish _rg0 (LIGNO® Block Q-x, LIGNO® Block Q3-x or corresponding versions of LIGNO® Acoustic classic).


    Installation top 

    _rg0 Closed, without cross grid 



    The height of the load-bearing webs of the element is variable and determined according to static requirements from load and span. Within the framework of this configurator, the selection is limited to four height ranges. A more precise definition is made later during pre-dimensioning or verification with the LTB-x calculation programme. Bulk volume and/or necessary space for installations can also be decisive for the height.


    _70-150 Low span 

    Fire resistance


    If fire protection is required, an additional layer is added below the web area (for elements with strip profiles _z26, _z53, _z80, for elements with board profiles Akustik klassik _k50g). Their height determines the fire resistance duration of the cross-section from 30 to 90 minutes. The fire resistance must be statically verified. If there are no requirements, the standard versions _z0 or _k50l are to be selected.

    Fire resistance

    _z0 R0



    Panel designs with strip profiles and additional layer can be configured with an additional cavity (_p26, _p53) below the additional layer for installation routing, fixtures or to improve sound absorption.Cables laid there then do not penetrate the fire-protective layer. If required, the cavity is filled with insulating material (_p26mw, _p26ha) to improve acoustic absorption. If no cavity is necessary, the characteristic _p0 is selected.


    _p0 No cavity 

    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 

    _a0 Without absorber 



    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.


    _625-12n25-4 Slat profile "nature" 

    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 

    _WTE Silver fir, economy 



    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.


    _buv UV-protection stain 



Project participants 

  • David Peter


    CH - Rheinfelden

  • az Holz AG


    Oristalstrasse 121
    CH - 4410 Liestal

  • Fotografie Uwe Röder


    Murgtalstraße 44
    76476 Bischweier


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