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Timber Baths and Basins

Timber Baths and Basins

Wooden Bathtub
Wooden Bathtub

Once upon a time, long before acrylic, ceramic or cast iron there was the wooden bathtub. Handcrafted and beautiful in their own right, they also hold heat longer than tubs made of alternative materials.

Wooden Bathtub
If you need to know the price, you can’t afford it. Beautiful but EXPENSIVE 🙂

Yet, we rarely see timber bathtubs. The reason is that in the west, baths are used for cleaning the body. Historically, cleansing agents have been quite strong and have a deteriorating effect on the timber as well as the body.

In eastern cultures however, one thoroughly cleanses oneself before entering the bath. In fact, the bath is used for soaking and relaxing, not for cleansing. For that reason, Japanese baths are typically shared by the entire family, sometimes communally and other times serially.

Water is and will increasingly be, a scarce resource. A typical bath requires between 250 L and 300 L of water to fully immerse a body. If a family of four all take a fresh bath, 1000 L of water has just been consumed. A Japanese family of four would consume only 250 L of water plus a small amount for cleansing before entering the bath. The water needs to be heated so the western family is not only using four times the water, they are consuming four times the energy to heat that water.

One of the great advantages of a wooden bath tub is that they retain the warmth of the water for considerably longer than an acrylic or cast-iron bath tub. Anyone who likes to soak in a bath knows about adding hot water to keep the temperature up… obviously consuming even more water and heating energy. And if you don’t have an instantaneous hot water system, you also probably just used all the hot water in your house!

Another significant advantage is that wooden tubs can be fully customised to your specifications. You can have a wider, longer or deeper tub than standard. However, customisation like that, as well as the wooden bath tub itself, comes at a cost. You can expect to pay anything from two to five times the cost of a conventional, similarly sized, quality bath tub.

One of the biggest concerns when people are considering installing a wooden bath tub is how to retain and maintain the original appearance of the tub. Any timber product is unique. Even timber products made to the same exacting specifications will be different because of the grain of the timber used. This adds to the beauty of the product. The natural grain is, of course, its biggest asset. The grain can be stained or left in its natural colours. Regardless, the timber will need to be finished in such a way as to provide long-term protection.

Selecting the timber:

The best protection comes from selecting the right timbers for the bath. Some timbers are denser, harder, or have a much higher oil content than others. A teak or ipe tub will have a natural resistance to water because of the high oil content in the timber. Timbers such as these, absorb much less moisture and more resistant to rot. The downside is that they are much harder to work and accordingly, will be considerably more expensive.

The very best quality Japanese tubs, ofuro, are made from a cypress called hinoki. It’s considered sacred and is used in the construction of palaces, temples and shrines. It is renowned for its beauty, strength and durability. It grows only in Japan and accordingly, it is very expensive. A Hinoki tub imported into Australia or the USA will cost in the vicinity of $10,000.

At the other extreme is pine. It is readily available, cheap and easy to work but will have a more limited life span due to the softness and the low density nature of the timber. It easily absorbs moisture, which leads to swelling, shrinking and cracking at a much faster and higher rate than a quality timber like ipe, hinoki, or teak.

If a tub is made from a low oil timber, the manufacturer will normally recommended that the tub be used at least once per week to stop it from drying out. In other words, a certain level of moisture content is necessary in baths of that type. Of course, assuming that you enjoy taking baths, that would be a pro rather than a con!

If you are heading away from home for more than a week, these tubs require that you place a bowl of water in the tub. The bowl should have a sponge in it that has at least 25% of the sponge exposed to air as an aid to evaporation. The tub then needs to be covered with a non-permeable cover. This ensures high humidity inside the tub so that the timber doesn’t dry out.

An excellent compromise is cedar, which although a softwood, has a high oil content, repels water and is naturally resistant to decay. The traditional Chinese and Korean baths are usually made from cedar. As mentioned above, hinoki is the preferred timber in Japan, however because of the cost, cedar is a popular alternative. A cedar tub made in Japan will typically cost around $4,000 – $5,000 landed in Australia or the USA.

Chinese-made cedar tubs, similar to the one shown below, can be purchased FOB for as little $500. Add freight and associated import costs and these still represent a bargain. Most are handmade by small specialist manufacturers in China, such as Kangxi. Customisation is therefore easy. In fact, even ‘one off’ designs can be accommodated.

This handcrafted cedar tub costs around $700 plus freight
This handcrafted cedar tub costs around $700 plus freight

Maintenance:

Most new wooden tubs are treated by the manufacturer with multiple coats of sealer. Some are given clear coats of fibreglass. If the tub is sealed in this way, a simple abrasion-free cleaner is all that is required.

If the tub is sealed with oil, a wipe down with vinegar will normally suffice. Of course, oiled surfaces can be easily and quickly refreshed according to the manufacturer’s instructions. But all manufacturers of wooden tubs recommend that their products be used for soaking, not cleansing.

Veneer bath tubs:

A hybrid timber bath is one made from timber veneers, saturated in resin and then compressed and shaped under very high pressure. The result is a bath that is as maintenance-free as a standard acrylic bath with the warm beauty of timber. Because veneers are used rather than solid timber, contours can be formed into the tub giving very fluid lines.

A wooden tub will require a little more work than a cast-iron or acrylic equivalent, but will reward you for many years with its beautiful appearance. But if you intend to use the tub for cleaning, we suggest you stick with a nice acrylic tub and use timber accents to create a similar ambiance to a traditional ofuro.

We are absolutely knocked out by some of these. Which one is your favourite, or does a more standard bath better suit your personality?

Tell us what you think by commenting as you go through the images. 🙂

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