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  1. Baile
  2. /
  3. Speicis
  4. /
  5. Red Oak

Quercus rubra

Red Oak

Harder than European oak and cheaper, with pores open enough to blow air through. An interior wood, and only an interior wood.

  • Fásta lasmuigh den Eoraip agus allmhairithe trí chlóis adhmaid Eorpacha.
  • Grúpa luibheolaíoch. Is buaircínigh iad bogadhmaid; is crainn leathanduilleacha iad crua-adhmaid.
  • Fine luibheolaíoch an speicis.
Faigh fógra nuair a thagann séSpeiceas tagartha. Níl píosaí i stoc faoi láthair.
Snáithe Red Oak
  • Oiriúnacht tionscadail
  • I stoc
  • Cuma
  • Oibriú
  • Gluaiseacht
  • Praghas
  • Sábháilteacht agus foinsiú
  • Ceisteanna
  • Sonraí teicniúla

An oireann sé do do thionscadal?

Iontach do

  • Interior furniture
  • Flooring
  • Cabinetry
  • Painted and stained joinery
  • Shelving

Níl Red Oak san eisiúint reatha

Speicis chomhchosúla i stoc

Níl Red Oak againn anois. Oireann na speicis seo do na tionscadail chéanna agus tá píosaí ar fáil.

  • Snáithe European Oak

    European Oak

    Quercus robur

    6 phíosa

  • Snáithe European Walnut

    European Walnut

    Juglans regia

    9 bpíosa

  • Snáithe Saman

    Saman

    Samanea saman

    4 phíosa

Faigh fógra faoi Red Oak

Seolaimid ríomhphost chugat nuair a thagann leaca úra Red Oak chuig KORENA. Tá gach píosa uathúil, mar sin is fiú fógra luath.

Cúpla ríomhphost sa mhí. Gan turscar, díliostáil am ar bith.

Cuma an adhmaid

An chuma atá air

Light to mid brown with a distinct reddish or pinkish cast that separates it clearly from the European oaks. Grain is straight and the texture coarse, with very large open pores in the earlywood. Those pores are the defining practical fact about this wood: they run continuously along the grain and are open enough that the species will not hold liquid, which is why red oak was never used for barrels.

  • Light to mid brown with a reddish or pinkish cast
  • Very large open pores in the earlywood
  • Ray fleck present on quartersawn faces but finer than white oak
  • Straight grain, coarse texture, very large open earlywood pores that run continuously along the grain. Light to mid brown with a distinct reddish cast.

Ag obair leis

Ag obair leis

Produces good results with hand and machine tools and it glues and finishes well. It blunts cutters moderately as all oaks do. The dimensional stability is described in the cited source as mediocre, so it moves more than its numbers alone suggest. The very large open pores require substantial grain filling for any smooth finish, more than European oak needs.

Bailchríoch

Takes stain and finish well and is frequently stained to imitate more expensive species, which it does convincingly. The large open pores need heavy grain filling for a smooth surface. The reddish cast can fight a warm stain and go orange, so test on an offcut. Tannins react with iron exactly as in the European oaks, so brass or stainless fittings only.

Stálú

Dries reasonably but shares the oak family requirement for a slow schedule, and it is prone to checking and honeycomb if pushed. Volumetric shrinkage of 13.7 percent with tangential at 8.6 against radial at 4.0 percent gives a wide ratio, so flatsawn boards cup. The cited source specifically notes mediocre dimensional stability in service, which is worth weighing against European oak for anything that must stay flat.

Cé mhéad a bhogfaidh sé?

Atann agus crapann adhmad trasna a leithid de réir mar a éiríonn an t-aer níos taise nó níos tirime. Meas gluaiseacht shéasúrach barr Red Oak sula ndearann tú na feistis.

Gearradh
An áit ina mbeidh sé

Gluaiseacht shéasúrach mheasta

thart ar 9.8 mm

Ceangail an barr le cnaipí nó lúibíní sliotánacha, ní le gliú ná scriúnna teanna.

Samhail líneach craptha: leithead × (crapadh ÷ 28 % sáithiú snáithíní) × luascadh séasúrach cion taise. Úsáidtear crapadh tadhlaíoch 8.6 % do Red Oak. Meastachán pleanála, ní ráthaíocht.

An costas

Sábháilteacht agus foinsiú

  • Fásta lasmuigh den Eoraip agus allmhairithe trí chlóis adhmaid Eorpacha.
  • Stádas Liosta Dearg IUCN: measúnú domhanda caomhnaithe an speicis seo.
  • Oak is a documented sensitiser and reactions usually include eye and skin irritation. Severe reactions are rare. Repeated exposure to oak dust carries elevated nasal cancer risk, so extraction is not optional in a production setting.

Léigh an treoir iomlánNótaí mionsonraithe ar phatrún, athrú datha, oibriú agus cobhsaíocht.+

What Red Oak actually is#

Quercus rubra is the most commercially important hardwood in the United States and has been planted across Europe since the eighteenth century. European grown material is now common enough in the EU market that buying it does not necessarily mean importing from North America, which matters for both documentation and carbon.

It is harder than European oak, stiffer than European oak, and cheaper than European oak. It is also, in one specific and consequential way, a fundamentally different material.

The pores, which decide everything#

In white oak and the European oaks, the large earlywood pores are plugged with tyloses, balloon like ingrowths that seal the vessels. In red oak they are not. The pores run open and continuous along the grain.

The old demonstration is to take a short length of red oak, dip one end in soapy water and blow through the other. Bubbles come out. You cannot do that with white oak.

Everything practical about this species follows from that:

It was never used for barrels, because it will not hold liquid. It is rated non-durable to perishable with poor insect resistance, so it has no business outdoors. It is recorded in this catalogue as not food safe, unlike the European oaks, because open pores hold moisture and residue that a closed grain wood does not. And it needs far more grain filler than European oak to reach a smooth finish.

Ceisteanna ceannaitheoirí

Ceisteanna ceannaitheoirí

Why is Red Oak not suitable for outdoor use or barrels?

+

Its earlywood pores are very large and run continuously along the grain, so the wood behaves like a bundle of straws. Liquid passes straight through it, which is why white oak was always the cooperage timber and red oak never was. Combined with a decay rating of non-durable to perishable and poor insect resistance, it should be treated as an interior wood only.

Is Red Oak harder than European Oak?

+

Yes, measurably. It is 5,430 N on the Janka scale against 4,980 N for European oak, and its elastic modulus of 12.14 GPa is higher too. Hardness is not the reason to prefer European oak; durability, stability and colour are.

Is it safe for a cutting board?

+

KORENA records it as not food safe, and that is a deliberate distinction from the European oaks. The very large open pores hold moisture and food residue in a way closed grain species do not, and the wood is rated non-durable. For food contact choose hard maple or a similarly dense closed grain species.

How do I tell it from European Oak?

+

Airíonna meicniúla

Sonraí teicniúla

Luachanna tagartha foilsithe. Nuair nach n-aontaíonn foinsí, taispeántar an raon agus úsáidtear an luach tipiciúil do na scálaí thuas.

Dlús (kg/m³)Mais in aghaidh an mhéadair chiúbaigh ag cion taise thart ar 12 %. Bíonn adhmad níos troime níos crua agus níos láidre de ghnáth.700 kg/m³
Cruas Janka (N)An fórsa chun liathróid chruach a bhrú leath bealaigh isteach san adhmad. Gnáththomhas ar fhriotaíocht in aghaidh eangaithe.5,430 N
MOR: modal réabtha (MPa)Neart lúbtha: an t-ualach ag a mbriseann bíoma.99 MPa
MOE: modal leaisteachais (GPa)Righneas lúbtha: a mhéid a lúbann seilf nó barr faoi ualach.12.1 GPa
Crapadh gathachCrapadh trasna na bhfáinní fáis, ó úr go stálaithe in áith. Bogann cláir ghearrtha ina gceathrúna mar seo.4.0 %
Crapadh tadhlaíochCrapadh feadh na bhfáinní fáis. Bogann cláir réghearrtha agus formhór na leac mar seo.8.6 %

No machine-readable author provided. Lumbar~commonswiki assumed (based on copyright claims)., via Wikimedia Commons

Quercus rubra is native to eastern North America and is the most commercially important hardwood in the United States. It has also been planted widely across Europe since the eighteenth century and European grown material is increasingly common in the EU market, which shortens the supply chain considerably compared with imported American stock.

  • Not listed in the CITES Appendices and assessed by the IUCN as Least Concern. It is abundant and among the most heavily harvested hardwoods in North America. For EUDR purposes, European grown Quercus rubra offers a considerably shorter and simpler supply chain than imported American material, and it is increasingly available.

  • Crann Red Oak

    Crusier, via Wikimedia Commons

    Red Oak: Duilleog
    Duilleog

    None of that makes it a bad wood. It makes it an interior wood, and within that boundary it is an excellent and economical one.

    Reading a Red Oak slab#

    The colour is the quick identifier: a distinct pink or reddish cast through the light to mid brown, clearly different from the tan and olive of European oak.

    The reliable identifier is the end grain under a lens. Open earlywood pores mean red oak; pores plugged with tyloses mean white or European oak. If a supplier's label and the end grain disagree, believe the end grain.

    Ray fleck appears on quartersawn faces but is finer and less dramatic than in white oak or sessile oak. Buyers hoping for bold silvery fleck should look elsewhere.

    At the bench#

    It produces good results with hand and machine tools, glues well, and finishes well. It blunts cutters moderately, like all oaks.

    The cited source describes its dimensional stability as mediocre, and that word is worth taking seriously. Volumetric shrinkage of 13.7 percent is not extreme, but the tangential to radial ratio of 8.6 against 4.0 percent is wide, and red oak has a reputation for moving more in service than its figures predict. For a wide top that must stay flat, European oak quartersawn is the safer specification.

    Grain filling is more work here than on European oak. Those large open pores swallow filler and often need two applications for a genuinely smooth surface. Many makers simply leave the texture, which suits the wood.

    Finishing, and one trap#

    Red oak takes stain and finish readily and is very commonly stained to imitate more expensive species, which it does convincingly.

    The trap is its own colour. The natural pink cast fights warm stains and can push a finish orange, particularly with amber toned oils. Test on an offcut from the same slab before committing, and consider a cooler toned stain to counteract it.

    The tannin and iron reaction applies here as in every oak. Steel screws, steel wool and steel clamp bars all produce blue black staining on contact with damp oak. Use brass or stainless throughout.

    Where Red Oak is the right answer#

    Interior furniture, flooring, cabinetry, shelving and joinery that will be stained or painted. It is hard at 5,430 N, stiff at 12.14 GPa, widely available and inexpensive relative to European oak.

    It is the wrong answer outdoors in any form, for food contact surfaces, for cooperage or anything holding liquid, and for a wide panel where dimensional stability is the governing requirement.

    Sourcing and EUDR#

    Not listed in the CITES Appendices and assessed by the IUCN as Least Concern. The species is abundant and heavily harvested across eastern North America.

    The EUDR consideration is the same one that applies to Douglas Fir in this catalogue: European grown plantation material offers a much shorter and simpler documentation path than imported North American stock, along with lower transport carbon. It is increasingly available. KORENA listings record the partner yard and region, so which one you are buying is visible on the passport.

    Colour is the quick check: red oak carries a distinct pink or red cast where European oak runs tan to olive brown. The reliable check is the end grain. Look at the large earlywood pores with a lens; in red oak they are open, in white and European oak they are plugged with tyloses, which is exactly why one holds liquid and the other does not.

    Is European grown Red Oak different from American?

    +

    It is the same species and the working properties are comparable. The meaningful difference is the supply chain. European grown material has a much shorter and simpler documentation path under EUDR and lower transport carbon than imported American stock, and it is increasingly available in the EU market.

    Crapadh toirtmhéadrachAthrú iomlán toirte ó úr go stálaithe in áith. Ciallaíonn níos ísle níos cobhsaí.13.7 %
    Marthanacht nádúrtha (EN 350)Caighdeán Eorpach ar fhriotaíocht nádúrtha in aghaidh lobhaidh, ó 1 (an-mharthanach) go 5 (somheata).Class 5 — Perishable

    Foinsí

    • The Wood Database — Red Oak (Quercus rubra)(rochtain 2026-08-12)
    • USDA FPL Wood Handbook FPL-GTR-190 (2010)(rochtain 2026-08-12)
    • Meier, E. — WOOD! Identifying and Using Hundreds of Woods Worldwide (2015)(rochtain 2026-08-12)

    Láidreachtaí

    • Lúbann go maithRátáil 4 as 5 do lúbadh gaile. Glacann sé cuair theanna.

    Bí cúramach

    • Ní le húsáid amuigh gan chóireáilIs é a mharthanacht nádúrtha aicme EN 350 5 as 5. Coinnigh laistigh nó faoi bhailchríoch chothabháilte é.
    • Bogann sé níos mó ná formhórTeastaíonn cnaipí nó feistis sliotánacha agus spás gluaiseachta ó bharraí leathana. Úsáid an t-áireamhán gluaiseachta thíos.
    • Greannaíonn an deannachÚsáid eastóscadh agus caith masc agus tú ag greanáil nó ag meaisíniú.
    • Ní adhmad teagmhála bia éRoghnaigh speiceas eile do chláir agus earraí riartha.

    Tapáil lipéad chun na sonraí a fháil.

    Sracfhéachaint

    Úsáideann na leibhéil bandaí seasta do gach speiceas a liostaíonn KORENA, mar sin is féidir iad a chur i gcomparáid go díreach. Tá an luach tomhaiste faoi gach ceann.
    CruasFriotaíocht in aghaidh eangaithe agus caithimhMeánchrua

    Cruas Janka: 5,430 N

    9 % níos crua ná dair

    MeáchanCé chomh trom is atá leac adhmaid le hardúTrom

    700 kg/m³

    CobhsaíochtA laghad a bhogann sé leis na séasúirBeoga

    Crapadh toirtmhéadrach 13.7 %

    OibriúSábhadh, plánáil, greanáil, gliúáilMeasartha

    Meán binse 3.9 / 5

    Úsáid lasmuighFriotaíocht nádúrtha in aghaidh lobhaidh, EN 350Laistigh amháin

    Aicme EN 350 5

    • Sábhadh · An-mhaithCé chomh glan a ghearrann sé agus cé chomh crua is atá sé ar lanna.1 = deacair · 5 = ar fheabhas
    • Plánáil · An-mhaithCé chomh mín a fhágann sé an dromchla agus a mhéid a stróiceann sé.1 = deacair · 5 = ar fheabhas
    • Greanáil · An-mhaithCé chomh tapa a ghreanáiltear mín é gan an páipéar a thachtadh.1 = deacair · 5 = ar fheabhas
    • Deileadóireacht · An-mhaithConas a ghearrann agus a chríochnaíonn sé ar an deil.1 = deacair · 5 = ar fheabhas
    • Snoíodóireacht · MaithCé chomh géar a choinníonn sé mionsonraí faoin ngúiste.1 = deacair · 5 = ar fheabhas
    • Gliúáil · An-mhaithCé chomh hiontaofa a choinníonn ailt ghliúáilte.1 = deacair · 5 = ar fheabhas
    • Greim scriú / tairne · An-mhaithCé chomh maith a choinníonn sé scriúnna agus tairní gan scoilteadh.1 = deacair · 5 = ar fheabhas
    • Lúbadh gaile · An-mhaithCé chomh maith a ghlacann sé cuair tar éis galaithe.1 = deacair · 5 = ar fheabhas

    Níl tagairt mhargaidh do Red Oak fós. Cuireann a chlós adhmaid comhpháirtíochta praghas ar gach píosa KORENA ar leith.