Quercus cerris

Turkey Oak

Harder than European oak and considerably cheaper, for one reason: it is difficult to dry. Buy it already stable and it is a bargain.

Irċievi avviż meta tasalSpeċi ta’ referenza. Bħalissa ebda biċċa fl-istokk.

Huwa tajjeb għall-proġett tiegħek?

Tajjeb ħafna għal

Rustic tabletops
Flooring
Interior joinery
Cladding under cover
Decorative slabs

Ebda Turkey Oak fil-ħarġa attwali

Speċijiet simili fl-istokk

Bħalissa m’hemmx Turkey Oak. Dawn l-ispeċijiet jgħoddu għall-istess proġetti u għandhom biċċiet disponibbli.

Irċievi avviż dwar Turkey Oak

Nibagħtulek email meta jaslu fallakki friski ta’ Turkey Oak għand KORENA. Kull biċċa hija unika, għalhekk avviż bikri jgħin.

Dehra tal-injam

Kif jidher

Denser and harder than either European oak, with a coarser and more open texture. Colour is a light to mid brown, generally plainer and less olive than Quercus robur, with wide rays that produce a bold but less silvery fleck on quartersawn faces. Its reputation in the trade is poor, earned by a strong tendency to check and distort in drying rather than by any weakness in the finished wood.

Light to mid brown, plainer than European oak
Coarse open texture with very wide rays
Bold but less silvery ray fleck on quartersawn faces
Straight grain, coarse open texture with very wide rays. Light to mid brown, plainer than European oak, with a bold but less silvery quartersawn fleck.

Kif taħdem bih

Kif taħdmu

Works similarly to the American oaks according to the source cited here. It is harder and denser than Quercus robur, so it blunts cutters faster and demands more power in the cut, but it machines cleanly once dry and stable. The very wide rays can lift on a quartersawn face if the cut is heavy. Grain filler is needed for a smooth finish given the coarse open pores.

Finitura

Takes stain and finish much as other oaks do, and the plainer colour actually accepts stain more evenly than the olive cast of European oak. The coarse open pores need filling for a smooth surface. The same tannin and iron reaction applies as in every oak, so brass or stainless fittings only and no steel wool.

Tnixxif

This is the species specific problem and the reason Turkey Oak is cheap. It is markedly prone to checking, honeycombing and severe distortion during drying, considerably worse than Quercus robur or petraea, and volumetric shrinkage at 16 percent is the highest of any hardwood KORENA lists. Tangential shrinkage of 10 percent against 6 percent radial compounds it. Slowly air dried stock that has already stabilised is the only version of this timber worth buying.

Kemm se jiċċaqlaq?

L-injam jintefaħ u jiċkien tul il-wisa’ hekk kif l-arja ssir aktar jew inqas umda. Stima l-moviment staġjonali ta’ wiċċ ta’ Turkey Oak qabel tiddisinja t-twaħħil.

Wisa’ tal-wiċċ800 mm

Qatgħa

Fejn se tintuża

Moviment staġjonali mistenni

madwar 11.4 mm

Waħħal il-wiċċ b’buttuni jew brackets b’fetħiet, mhux b’kolla jew viti ssikkati.

Mudell ta’ tnaqqis lineari: wisa’ × (tnaqqis ÷ 28 % saturazzjoni tal-fibra) × bidla staġjonali fl-umdità. Juża tnaqqis tanġenzjali ta’ 10 % għal Turkey Oak. Stima għall-ippjanar, mhux garanzija.

Kemm jiswa

Sigurtà u provvista

Oak is a documented sensitiser, with reactions typically including eye and skin irritation and asthma-like symptoms. Repeated exposure to oak dust carries elevated nasal cancer risk, so extraction is not optional in a production setting.
Quercus cerris is the oak of southeastern Europe and Asia Minor, dominant through the Balkans, Hungary, Italy and Turkey. It grows fast on poor dry soils where the northern oaks struggle, and it has been planted widely outside its range. Balkan sourced material is common and inexpensive in the EU market.

Aqra l-gwida sħiħaNoti dettaljati dwar id-disinn tal-vina, il-bidla fil-kulur, ix-xogħol u l-istabbiltà.

What Turkey Oak actually is#

Quercus cerris is the oak of southeastern Europe and Asia Minor. It dominates through the Balkans, Hungary, Italy and Turkey, growing fast on poor dry soils where the northern oaks struggle, and it has been planted well outside that range.

It has a poor reputation in the trade, and that reputation is worth understanding precisely, because it is only half deserved. The finished wood is not inferior. At 720 kg per cubic metre it is denser than European oak, and its modulus of rupture of 114.3 MPa is well above the 97.1 MPa of sessile oak. The problem is entirely in getting it from log to stable board.

The drying problem, which is the whole story#

Turkey Oak checks, honeycombs and distorts during drying far more readily than Quercus robur or petraea.

The numbers explain why. Volumetric shrinkage is 16 percent, the highest of any hardwood in this catalogue. Tangential shrinkage of 10 percent against 6 percent radial gives a ratio that guarantees flatsawn boards will cup hard. Combine high total movement with a wide differential and a fast schedule, and the wood tears itself apart.

A significant proportion of what is cut degrades before it becomes usable timber, and the price of the survivors carries that loss. That is why Turkey Oak is cheap.

The practical consequence for a buyer is simple and important: the risk lives in the drying, not in the service life. A slab that has already been slowly dried and has stabilised is a hard, dense, durable board at a fraction of European oak money. A slab that was rushed is firewood that has not finished failing yet.

Mistoqsijiet tax-xerrejja

Why is Turkey Oak so much cheaper than European Oak?

Not because the finished wood is weaker. It is denser and harder than Quercus robur. The discount reflects how badly it behaves in drying: it checks, honeycombs and distorts far more readily, and volumetric shrinkage at 16 percent is the highest of any hardwood in this catalogue. A large proportion of what is cut degrades before it is usable, and the price carries that loss.

Is the Janka figure reliable?

It is published as an estimate derived from specific gravity rather than a measured test, and KORENA records it that way in the source note on the species record. Treat 5,340 N as indicative. It places Turkey Oak above European oak at 4,980 N, which matches its higher density of 720 kg per cubic metre, but it is not a laboratory measurement.

Can I use it for a tabletop?

Yes, provided the slab is already properly dried and stable. Buy air dried stock that has had time to settle rather than freshly kilned material, check the measured moisture value on the listing, and let it acclimatise in the room before flattening. Once through drying it is a hard, durable surface. The risk is entirely in the drying, not the service life.

Proprjetajiet mekkaniċi

Data teknika

Valuri ta’ referenza ppubblikati. Fejn is-sorsi ma jaqblux tintwera l-firxa, bil-valur tipiku użat għall-iskali ta’ hawn fuq.

Densità (kg/m³)	720 kg/m³
Ebusija Janka (N)	5,340 N
MOR: modulu tal-ksur (MPa)	114 MPa
MOE: modulu tal-elastiċità (GPa)	10.8 GPa
Tnaqqis radjali	6.0 %
Tnaqqis tanġenzjali	10.0 %

Not listed in the CITES Appendices, and reported by the source KORENA cites as not assessed on the IUCN Red List, so no IUCN status is shown rather than one being assumed. It is abundant and fast growing across southeastern Europe and is often treated as a low value species, which makes it both inexpensive and easy to source with documentation.

So buy stable stock. Prefer air dried material that has had time to settle over freshly kilned. Check the measured moisture value on the listing rather than trusting a description, and let the slab acclimatise in its final room before flattening.

Reading a Turkey Oak slab#

Colour is a light to mid brown, plainer and straighter than European oak, without the olive cast of robur. Texture is coarse and the pores are large and open.

The rays are very wide, wider than in the other oaks here, and on a quartersawn face they produce a bold fleck. It reads differently from the fine silvery ribbon of sessile oak: larger, more assertive, less lustrous. Whether that is better is a matter of taste, but they are not the same figure and one will not pass for the other.

Inspect the end grain for honeycomb, look along the length for cupping and twist, and check for surface checks. On this species those defects are common enough that they should be assumed present until ruled out.

The cited source describes it as working similarly to the American oaks. It is harder and denser than European oak, so it blunts cutters faster and asks more of a machine, but a dry stable board machines cleanly.

The very wide rays can lift on a quartersawn face under a heavy cut. Lighter passes and sharp tooling handle it.

As with all oak, the coarse open pores need a grain filler if a smooth surface is the goal, and the tannin content means iron contact produces blue black staining. Brass or stainless fittings only, no steel wool, and no steel clamp bars left on damp work.

A note on the hardness figure#

The Janka value shown for this species, 5,340 N, is published as an estimate derived from specific gravity rather than a measured laboratory test, and KORENA records that qualification in the source note on the species record rather than presenting the number bare.

Treat it as indicative. It places Turkey Oak above European oak, which is consistent with its higher density, but it is not the same class of evidence as a measured value.

It takes stain and finish much as other oaks do, and the plainer, less olive colour actually accepts stain more evenly than European oak, which can go muddy under a warm tone.

Grain filler for a smooth surface, standard oak finishing otherwise.

Where Turkey Oak is the right answer#

Rustic tabletops, flooring, interior joinery, cladding under cover, and decorative slabs where a hard dense oak is wanted and the budget will not carry European oak. At decay class 2 it is durable, so protected exterior use is reasonable.

It is the wrong answer if you are buying unseasoned or freshly kilned stock, if the project cannot absorb the risk of movement, or if the classic silvery quartersawn fleck of European oak is specifically what the design calls for.

Not listed in the CITES Appendices, and reported by the cited source as not assessed on the IUCN Red List, so no IUCN status is displayed rather than one being inferred.

It is abundant and fast growing across southeastern Europe and is often treated as a low value species locally, which makes it both inexpensive and straightforward to source with proper documentation. Balkan sourced material is common in the EU market, and KORENA listings record the originating yard and region.

How does the figure compare with European Oak?

Plainer overall. The colour is a straighter light to mid brown without the olive cast of Quercus robur, and while the rays are very wide, the quartersawn fleck reads bolder but less silvery. If you want the classic silvery ray fleck, sessile oak delivers it better.

Does it stain black on contact with iron?

Yes, exactly as every oak does. Tannins react with iron to form a blue black stain. Use brass or stainless fittings, keep steel wool away, and do not leave steel clamp bars in contact with a damp glue-up.

Tnaqqis volumetriku	16.0 %

Durabbiltà naturali (EN 350)	Class 2 — Durable

Sorsi

The Wood Database — Turkey Oak (Quercus cerris). Janka value published as estimated from specific gravity, not measured.(aċċessat 2026-08-12)
Meier, E. — WOOD! Identifying and Using Hundreds of Woods Worldwide (2015)(aċċessat 2026-08-12)

Vantaġġi

Oqgħod attent

Agħfas tikketta għad-dettalji.

Daqqa t’għajn

EbusijaEbusija medja

Ebusija Janka: 5,340 N

7 % aktar iebes mill-oak Ewropew

PiżTqil ħafna

720 kg/m³

StabbiltàJiċċaqlaq ħafna

16.0 % tnaqqis volumetriku

XogħolModerat

medja ta’ 3.7 / 5 fuq il-bank

Użu barraBarra

Klassi EN 350 2

Għal kemm qed jinbiegħ l-injam ta’ Turkey Oak madwar l-Ewropa bħalissa, għal kull metru kubu qabel il-VAT. Agħfas prezz għad-dettalji.

Zkuk ordinarji skont il-pajjiż

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Dawn huma prezzijiet tal-injam mhux maħdum. Fallakka hija l-aħjar qatgħa ta’ zokk, imnixxfa għal sena jew aktar, imbagħad iċċekkjata u mkejla biċċa biċċa. Parti żgħira biss minn kull zokk issir fallakka.

Sors: KORENA Timber Index · L-aħħar data 25 ta’ Set, 2026

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