Teak bathroom vanity: the honest buying guide

Teak has long been the wood for bathrooms, and with reason. But “teak” on a price tag still tells you little. Solid or veneer, heartwood or sapwood, new or reclaimed, supplied treated or not: that decides whether your vanity unit still looks good in ten years. This guide helps you ask the right questions, without the sales pitch.

For more background on the wood itself, see teak wood.

Why teak can cope with a bathroom

The wood is naturally oily. The Dutch timber information centre Centrum Hout describes teak as feeling “soft” and slightly greasy because of oily substances in the wood (Centrum Hout, Dutch). The Belgian bathroom specialist Facq calls teak “the undisputed champion” for bathroom furniture for that reason: the natural oils form a barrier against water, and the wood is naturally resistant to fungi and insects (Facq, Dutch).

The heartwood is very durable. Centrum Hout puts teak in durability class 1 to 3, depending on where it grew (Centrum Hout, Dutch). The Queensland Government gives the wood class 1 above ground and says teak is “best known” for use in boat building, for decking, rails and planking (Business Queensland).

It shrinks little. The same source gives shrinkage to 12% moisture content of 2.2% in width (tangential) and 1.2% in thickness (radial) (Business Queensland). The Dutch teak brand Puurteak describes teak as stable, with less chance of warping or cracking than many other woods (Puurteak, Dutch).

But it’s still wood. Teak also expands and shrinks with heat and moisture. X²O advises not placing a solid wood vanity too close to a radiator or in full sun (X²O, Dutch), and Puurteak explicitly links suitability to “normally ventilated” bathrooms (Puurteak, Dutch).

Quality: what you’re really looking at

Heartwood versus sapwood

A teak trunk consists of darker heartwood and a paler outer band: the sapwood. The Queensland Government describes the sapwood as pale yellow and clearly defined, and warns that untreated sapwood is susceptible to lyctid borers (Business Queensland). The durability teak is known for applies to the heartwood (Centrum Hout, Dutch).

In practice: pale, yellowish strips on a unit may be sapwood. In a place that rarely gets wet, that matters less than on the top around the basin.

Grades A, B and C: no fixed standard

Many sellers advertise “grade A teak”. Know that Indonesian producers write themselves that there is no generally accepted standard for those letters. Naramulya explicitly calls its A/B/C grading its own internal standard (Naramulya); Bali Teak Furniture warns that “grade A” at one workshop can be “grade B” at another (Bali Teak Furniture). Their own definitions differ too: for one, B is still all heartwood from private plantations; for the other, the outer part of the heartwood.

So don’t ask “is this grade A?”, but: is it heartwood, how much sapwood is in it, and can I see the raw wood? More on grades in teak grades.

Solid, veneer or board?

Meijs Wonen explains the difference clearly: solid wood “moves” with humidity and temperature, so a top, for example, can cup or bow. Board with a layer of veneer or foil is more stable, but veneer is less easy to repair; that’s why many pieces have a solid top or solid edges (Meijs Wonen, Dutch).

For a bathroom, one more thing comes in: the quality of the board under the veneer. Facq warns that standard chipboard quickly swells and falls apart with moisture, even if the surface is protected, because a little moisture on the edges is enough. Facq does call waterproof plywood and water-repellent MDF suitable (Facq, Dutch).

Feature	Solid teak	Teak veneer on board
Stability	Moves with moisture and heat	More stable
Repair	Stains can be carefully sanded out	Veneer is less easy to repair
Critical point	Finish and ventilation	Type of board and finished edges

Sources: Meijs Wonen, Dutch, Facq, Dutch, Teak.nl, Dutch.

Reclaimed teak in the bathroom

Many teak bathroom units are made of reclaimed wood. The Dutch furniture company Troedoor, which works with reclaimed teak itself, describes what to expect: knots, unevenness and inset repair pieces are part of it, and small cracks from light, moisture and temperature are a natural process (Troedoor, Dutch).

An important point for bathrooms: Troedoor warns that on brushed reclaimed teak, black-blue stains can appear under a closed two-component lacquer, because dirt in small holes is pushed up by the oil in the wood but can’t escape under the lacquer (Troedoor, Dutch). Lacquer is a common bathroom finish, so with brushed reclaimed teak, ask which finish the supplier recommends.

Want certainty about origin? The FSC Recycled label means all the wood in the product has been verified as recycled or reclaimed; it is not a guarantee that the wood originally came from an FSC-certified forest (FSC UK). More on this material in reclaimed teak.

Finish: supplied treated or not?

This is where advice diverges most:

• Facq writes that thanks to its oils, teak needs no extra treatment (Facq, Dutch).
• Badkamer Exclusief supplies untreated teak and still recommends extra protection, preferably with a two-component lacquer (Badkamer Exclusief, Dutch).
• Mastello supplies untreated, calls its units suitable without treatment too, but recommends a dirt- and water-repellent two-component oil (Mastello, Dutch).
• X²O supplies solid teak untreated and writes that it must be treated with a protector before installation, repeated two to four times a year. Its teak basin tops, however, are supplied treated, because of splashing water (X²O, Dutch).

Advice: assume you’ll have to finish an untreated unit yourself, and do it before installation. All three of the suppliers that recommend treatment say so. Briefly, per option:

Finish	What the suppliers say	Time before use
Two-component lacquer	Degrease lightly and sand very lightly along the grain; 4 coats on the top, 3 on the rest; drawers, shelves and visible inner edges too	Fit and use lightly after 12–16 hours
Two-component oil	Remove dust, rub in thinly, wipe off excess oil after 10–15 minutes	1–2 days to fitting, 5 days to use
Protector	With a cloth or brush, several coats	Repeat 2–4× a year

Sources: Badkamer Exclusief, Dutch, Mastello, Dutch, X²O, Dutch.

Let the unit acclimatise first. X²O advises placing solid teak in the bathroom about two weeks before installation, not too close to the radiator and not in direct sunlight (X²O, Dutch).

General explanation of indoor finishes is in indoor teak care.

Daily care

• Wipe off splashes after use, especially on the top (Badkamer Exclusief, Dutch, Puurteak, Dutch).
• Don’t let soap residue dry; remove it straight away with a soft damp cloth and dry it off (X²O, Dutch).
• Ventilate well and let the room dry after showering (Puurteak, Dutch).
• No harsh products: no chlorine, limescale removers or acidic products (Badkamer Exclusief, Dutch); no phosphates, ammonia or acids on oiled teak (Mastello, Dutch); no scouring cream or strongly caustic or alkaline cleaners (X²O, Dutch).
• Careful with wood cleaner on untreated teak: according to X²O, it makes the wood paler and it then has to be sanded (X²O, Dutch).

Checklist: ask this before you buy

1. Solid or veneer? And with veneer: on what board, and are the edges finished?
2. Heartwood? How much pale sapwood is in it, especially around the basin? Ask for a photo of the raw wood.
3. What does “grade A” mean at this seller? Have it described in characteristics, not letters.
4. How is it supplied? Untreated, oiled or lacquered? And the basin top separately?
5. What do I have to do myself before installation, with what type of product, and how often afterwards?
6. Reclaimed teak? Brushed or smooth? Which finish does the supplier recommend then?
7. Origin and certification: FSC, or legality documents? See FSC teak for the explanation.
8. Is your bathroom well ventilated? Puurteak explicitly links the suitability of solid teak to normal ventilation.

For other indoor teak furniture, from sideboard to bookcase, see our buying guide to indoor teak furniture.

The honest downsides

• You’re not done after buying. Most suppliers recommend treatment before installation, and according to X²O a protector has to be reapplied two to four times a year (X²O, Dutch).
• The wood moves. Solid wood can cup or bow with changes in moisture and temperature (Meijs Wonen, Dutch).
• No two units are the same. Colour, figure and texture differ from cabinet to cabinet (X²O, Dutch); with reclaimed teak, repair pieces and knots come on top of that (Troedoor, Dutch).
• Quality labels are vague. “Grade A” is not a protected term (Naramulya).
• A bad bathroom stays a bad bathroom. Without ventilation and with puddles on the top, teak deteriorates too (Puurteak, Dutch).