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Extension made of Ligno® for the municipal elementary school Obering

Class goal: schools made entirely of wood!

Die Fassade der neuen Grundschule ist gekleidet in Holz und wird bestimmt durch großflächige Fensterflächen im Wechsel mit bunten Glasflächen.
Dieser Gang verbreitet durch fröhliche Farben, unregelmäßige Fensteröffnungen und die wellenförmige Wand eine freundliche Atmosphäre.
Die Wände wurden aus Wandelementen LIGNO® Uni Q3 konstruiert, deren Holzoberfläche im Treppenhaus über zwei Geschosse durchgehend sichtbar ist.
Der knallrote Boden wird im Flurbereich ausgeglichen durch die ruhige Holzoberfläche in heller Weißtanne der Decken.
In diesem Klassenzimmer herrscht durch die hellen Holzwände-und Decken, sowie die minimalistisch Raumeinrichtung eine angenehm ruhige Raumatmosphäre. Die großen Glasfronten erweitern den Raum optisch.
Die komplette Verglasung einer Raumseite öffnet die Sicht auf die idyllische Umgebung und kreiert zusammen mit hellen Holzdecken-und Wänden von Lignotrend eine naturnahe Raumatmosphäre.
LIGNO® Rippe Q3 Deckenelemente sorgen mit ihrer fein profilierten Sichtseite durch integrierten Absorber für optimale Akustik in den Schulräumen.
Die helle Lignotrend Holzverkleidung aus Weißtanne kreiert zusammen mit den großzügigen Fensterfronten ein freundliches, helles Raumgefühl.
An der Wandseite des Treppenhauses befindet sich eine durchgehende Holzfläche aus heller Weißtanne. Rote Böden und blaue Wände sorgen für fröhliche Farbakzente.
Dieser großzügig entworfene Gang ist gezeichnet durch klare Linien und Flächen, welche durch die Wahl verschiedener Farben und Materialien eine dynamische Atmosphäre kreieren.
In leuchtendem Signalrot bietet das Schultor inmitten der weiten Glasfassade, den Grundschülern schnelle Orientierung.

In Germany, many school buildings are currently clearly reaching their limits. They are in need of renovation, are only partially suitable for modern teaching and learning concepts, or are simply too small. New space is needed - preferably made of wood, because this renewable natural material is ideal for constructing educational buildings quickly, sustainably and in an environmentally compatible manner. The city of Herford also opted for a wooden building for the extension of the Obering municipal elementary school: Walls, ceilings, roof and even the facade are made of configurable cross-laminated timber components from the Black Forest manufacturer Lignotrend. The modern wooden architecture provides a pleasant, natural learning environment as well as the best sound and fire protection and establishes good speech intelligibility in the interior rooms. 

Configuration overview

Components used

  • LIGNO® Rippe Q3  |  Ceiling component

    Product code: LIGNO® Rippe Q3_185_r0_s0_z26_p26_a50g_625-12-4_WTL_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

    _r0 Open, without cross grid

    Statics


    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.

    Statics

    _150-210 Small 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

    _z26 REI 30 Fire resistance 

    Cavity

     

    Panel designs with slat profiles and additional layer can be configured with an additional cavity (_p26, _p53) below the additional layer for installation guides, fixtures or to improve sound absorption. Cables laid there then do not penetrate the fire-protection 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.

    Cavity

    _p26 26 mm Height 

    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

    _a50g 50 % Absorber 

    Profile


    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.

    Profile

    _625-12-4 Slat profile 

    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 

    Structure

     

    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.

    Structure

    _gb Brushed

    Treatment


    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.

    Treatment

    _buv UV-protection stain

  • LIGNO® Block Q3  |  Roof component

    Product code: LIGNO® Block Q3_275_rg0_s0_z26_p26_a50g_625-12-4_WTL_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

    Statics


    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.

    Statics

    _230-290 Medium 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

    _z26 REI 30 Fire resistance

    Cavity


    Panel designs with slat profiles and additional layer can be configured with an additional cavity (_p26, _p53) below the additional layer for installation guides, fixtures or to improve sound absorption. Cables laid there then do not penetrate the fire-protection 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. 

    Cavity

    _p26 26 mm Height

    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

    _a50g 50 % Absorber

    Profile


    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.

    Profile 

    _625-12-4 Slat profile

    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

    Structure


    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.

    Structure

    _gb Brushed

    Treatment


    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.

    Treatment

    _buv UV-protection stain

  • LIGNO® Uni Q3  |  Wall component 

    Product code: LIGNO® Uni Q3_123_625-621-4_WTL_gb_buv
    Statics


    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.

    Element height

    _123 mm 

    Profile


    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.

    Profile 

    _625-621-4 Closed surface 

    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, patterned

    Structure


    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.

    Structure

    _gb Brushed

    Treatment


    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.

    Treatment

    _buv UV-protection stain

  • LIGNO® U*psi  |  Insulation joist

    Product code: LIGNO® U*psi F_n_200
    Insulation joist


    The lower the U-value of a component and the lower the psi value of the details, the less heat is lost.This is precisely where the U*psi® cross-laminated timber insulating uprights from Lignotrend come into effect:They implement high insulating thicknesses in natural timber and minimise thermal bridges.

    Insulation joist

    Fleece as chamber separation

Reference-related

Downloads

Project participants

  • Hansestadt Herford

    Client

    Auf der Freiheit 21

    32052 Herford

     

    www.herford.be

  • Hansestadt Herford

    Architect

    Auf der Freiheit 21
    32052 Herford
     

    www.herford.com

  • xtraplan Döring + Harmann GbR

    Architect

    Bahnhofstraße 7
    32756 Detmold
     

    www.xtraplan.com

  • Frank Aussieker Architekturfotografie

    Photographer

    Stephanusstraße 27
    30449 Hannover

     

    www.aussieker-fotografie.de

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