Picea abies
Norway Spruce
The most abundant conifer in Europe and the lightest slab material KORENA lists. Pale, even, easy at the bench, and soft enough that you should choose it deliberately.
- Cultivada y aprovechada en Europa.
- Grupo botánico. Las maderas blandas proceden de coníferas y las duras, de árboles frondosos.
- Familia botánica a la que pertenece la especie.
Avísame cuando llegueEspecie de referencia. Ahora mismo no hay piezas en stock.
¿Es adecuada para tu proyecto?
Ideal para
- Lightweight tabletops
- Wall panelling
- Shelving
- Instrument soundboards
- Interior joinery
No hay Norway Spruce en la selección actual
Especies similares en stock
Ahora mismo no hay Norway Spruce. Estas especies sirven para los mismos proyectos y tienen piezas disponibles.
Recibe avisos sobre Norway Spruce
Te enviamos un correo cuando lleguen a KORENA nuevas tablas de Norway Spruce. Cada pieza es única, por lo que conviene enterarse pronto.
Aspecto de la madera
Qué aspecto tiene
Pale cream to light yellow throughout, with almost no colour separation between heartwood and sapwood. The grain is straight and the texture fine and even. What makes a spruce slab worth looking at is rarely colour and almost always structure: tight annual rings, resin pockets that read as amber flecks, and the occasional cluster of small sound knots that a maker can either feature or cut around.
- Cream to pale yellow, darkening slightly with age and UV
- Little to no heartwood and sapwood contrast
- Resin pockets show as translucent amber marks
- Straight grain, even texture; resin canals.
Cómo trabajarla
Cómo trabajarla
Easy in every operation as long as you stay away from knots. Spruce is soft enough that sharp tools matter more than powerful ones: dull cutters crush the earlywood rather than slicing it, leaving a fuzzy surface that no amount of sanding fully recovers. Knots are hard, resinous and prone to tearing out, so plan cuts around them rather than through them. It glues reliably and takes screws well if you pilot near edges.
Acabado
The one genuine difficulty with spruce. Its uneven density between earlywood and latewood makes it absorb stain unevenly, so pigment stains blotch badly. Use a conditioner first, or skip stain entirely. Clear oils, hardwax oils and water-based lacquers all sit well and keep the pale colour. If you want warmth, a single coat of shellac before the topcoat evens absorption without muddying the grain.
Secado
Dries quickly and with relatively little degrade, which is one reason it dominates European construction timber. Slab stock still needs patience: at 50 mm and above, resin pockets can bleed if the kiln schedule runs hot, and case hardening shows up as cupping once you machine the first face. Air drying followed by a gentle kiln finish gives the cleanest result. Expect movement in service to be modest, since volumetric shrinkage is around 12.9 percent.
¿Cuánto se moverá?
La madera se hincha y se contrae a lo ancho cuando el aire gana o pierde humedad. Calcula el movimiento estacional de un tablero de Norway Spruce antes de diseñar las fijaciones.
Movimiento estacional previsto
unos 9,4 mm
Fija el tablero con lengüetas o soportes ranurados, no con cola ni tornillos apretados.
Modelo de contracción lineal: ancho × (contracción ÷ 28 % de saturación de la fibra) × variación estacional de humedad. Usa una contracción tangencial del 8,2 % para Norway Spruce. Es una estimación para planificar, no una garantía.
Cuánto cuesta
Seguridad y abastecimiento
- Cultivada y aprovechada en Europa.
- Estado en la Lista Roja de la UICN: evaluación mundial de conservación de esta especie.
Spruce dust has been reported to cause skin irritation and asthma-like respiratory effects, which puts it in the same bracket as most softwood dust. Extraction at the machine and a P2 mask during extended sanding are sensible. No specific toxicity beyond that is documented.
Leer la guía completaNotas detalladas sobre el dibujo, el cambio de color, el trabajo y la estabilidad.
What Norway Spruce actually is#
Picea abies is the default European conifer. It covers more forest area than any other species on the continent and supplies most of the structural timber used in EU construction. That ubiquity works against it when people shop for slabs, because a wood you can buy as a stud is easy to dismiss as a wood you cannot build furniture from. The dismissal is half right. Spruce is genuinely soft, and a spruce tabletop will carry the record of everything set down on it. What the reputation misses is that spruce is also stiff for its weight, dimensionally reasonable once dried, and capable of a pale, quiet surface that no hardwood can imitate.
Reading a spruce slab#
Colour tells you very little. Spruce runs cream to pale yellow with effectively no heartwood boundary, so unlike walnut or oak you cannot judge a board by its tonal range. Structure is what matters.
Look first at ring spacing. Slow-grown Alpine spruce with rings a millimetre or two apart is denser, stiffer and considerably more stable than fast-grown lowland stock with rings five millimetres apart. The difference in service is real: the tight-ringed board stays flatter and dents less.
Look next at the knots. Spruce knots are hard, resinous, and much darker than the surrounding wood. Small sound knots are a design feature and hold fine. Large knots, and especially knot clusters near an edge, are weak points that will move independently of the board around them.
Preguntas de compradores
Preguntas de compradores
Is Norway Spruce hard enough for a dining table?
It sits at 1,680 N on the Janka scale, which is soft for a tabletop that will see daily use. It works if you accept dents as part of the character, or if the top is protected by a hardwax oil that is easy to refresh. For a surface that must stay unmarked, European oak at 4,980 N or ash are better matched.
Why does my spruce slab look blotchy after staining?
Spruce has a large density difference between the pale earlywood and the darker latewood, so pigment lodges unevenly. Apply a wood conditioner or a thin shellac washcoat before staining, or leave it unstained and use a clear oil. Testing on an offcut from the same slab is the only reliable check, because blotching varies board to board.
What are the amber marks in the surface?
Resin pockets, which are normal in spruce and not a defect in the structural sense. They can weep slightly if the slab is warmed by sunlight or underfloor heating. Sealing with shellac before the topcoat locks them down. On a measured KORENA slab any pocket large enough to matter is mapped in the defect outline.
Is spruce suitable for outdoor use?
Propiedades mecánicas
Datos técnicos
Valores de referencia publicados. Cuando las fuentes discrepan, se muestra el intervalo y se usa el valor habitual en las escalas anteriores.
| Densidad (kg/m³)Masa por metro cúbico con aproximadamente un 12 % de humedad. La madera más pesada suele ser más dura y resistente. | 405 kg/m³ |
|---|---|
| Dureza Janka (N)Fuerza necesaria para hundir una bola de acero hasta la mitad en la madera. Es la medida estándar de resistencia a las abolladuras. | 1,680 N |
| MOR: módulo de rotura (MPa)Resistencia a la flexión: la carga a la que se rompe una viga. | 63 MPa |
| MOE: módulo de elasticidad (GPa)Rigidez a la flexión: cuánto se comba un estante o tablero bajo carga. | 9.7 GPa |
| Contracción radialContracción perpendicular a los anillos de crecimiento, desde verde hasta completamente seca. Es la que afecta a las tablas aserradas radialmente. | 3.9 % |
| Contracción tangencialContracción paralela a los anillos de crecimiento. Es la que afecta a las tablas de aserrado tangencial y a la mayoría de las tablas. |
