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Making process of the wooden bath

This is the making process from the bolt processed to wooden bath.

The skilled craftsmen make the wooden bath with all their hearts.

Lumberyard
The Kiso-hinoki, Sawara, Kouyamaki bolts which produced in Kiso valley, Nagano prefecture, Japan.

The precious natural woods are about 150 to 300 years old.

Sawing a log up properly, one by one.

Load the lumber, and solar drying.

Cut the wood, and remove the defects.

Saw up the wood carefully, so as not to produce wasteful cutting.

Considering to the board side and fiber direction, make up the board.

The board completed.

This kiln-dry process is important to even out the moisture content of the board.

Box type wooden bath

Joint the dried board.

Adhere strongly by water resistant adhesive

After finishing the surface, process the details.

Process the joint part. It requires accuracy for its waterproof performance.

The board with joint part.

Assembly
Assemble the board carefully, confirming the hardbess of the joint part.

Fix it steadily by the stainless nails.

Put the copper cover to make up.

Assemble the baseplate using adhesive, packing, and screw.

Chamfer the corners, and mop-up.

Completed

We can make various kinds of wooden bath.

Oval type wooden bath

adjustments the angle.
This process mostly follow the craftsman’s hunch, and it is the most difficult process.

Round out the inner side and outside.

Assemble the boards with dowel by water resistant adhesive.

Pressure bonding by slant.

Use a plane to make the wood smooth.

Plane the inner side and outside by hand.

Make the laggen-gird, and put it tightly.

Make the chase to fit the baseplate in.

Adjust the size to be fit promptly, and assemble the baseplate.

Put the garnish.

Chamfer the corners, and mop-up.

Completed.

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