Build your own barrel sauna

For real craftsmen, building an outdoor sauna is quite simple. We recommend to build the sauna with another person. Many hands make light work and it is very nice to build a sauna with two people. According to our experience, the construction of a sauna takes 1.5 days on average. Of course, this depends on the model ordered and the options that can be added.

Good preparation is half the battle when building a barrel sauna yourself. Therefore, read the enclosed manual carefully before you start building.


We offer you the possibility to choose from 8 different barrel sauna models. The length of these models varies from 2 to 4 meters. You can find more information about the individual saunas in the respective product descriptions. You have the possibility to find the perfect sauna for you. You can also choose between many different options, such as the type of wood or a wooden or glass door.

Why a sauna from Welvaere?

  • Large showroom in Calw with professional advisors
  • Thickest walled hot-tub within the EU (life span of 35 years!)
  • 3 protective coatings against UV radiation, algae growth and osmosis
  • High quality cladding made of thermo-wood, durability up to 25 years
  • High quality CE certified stoves made of 316 stainless steel
  • Handmade in our own workshop
  • Individual production


You want to build your own barrel sauna? Then it is important that you have the right tools at hand. If you do not have this, there may be delays during construction. You can easily assemble the barrel sauna with the following means:

  • a spirit level
  • a cordless screwdriver
  • a hammer
  • a nut wrench
  • A saw (an embroidery saw is a good choice here)
  • and a ladder


It is possible to place an outdoor sauna anywhere in your garden. However, we recommend placing the barrel sauna on a solid surface such as sidewalk tiles or paving stones. If you want to place the sauna on grass, it is important to place the beams on which the sauna rests on solid ground. It is also very important to make sure that you place the barrel sauna level in your garden. It is important to think in advance where the barrel sauna will be located and to release it so that you can build the sauna more easily. If the surface of this chosen location is not level, you can easily do this before the sauna is delivered to you or when you pick it up from us.

You can perfectly build a Tønsauna by yourself. However, it is important that you have some technical knowledge and are good with tools. A nice project for your day off. When your sauna is finished, you can enjoy a well-deserved relaxation in your own sauna, an added pleasure!


Once the sauna is installed, it is not so easy to move it to another place. Before you start building, you also need to carefully consider where to put the sauna. It is important to also consider all the options for the barrel sauna. Are there windows in your barrel sauna? These must of course have the correct visibility. In addition, it is necessary to decide in advance to which side the door opens.

Get inspired

Plan the construction of your sauna with us. In our showroom in Calw, our experts are available 5 days a week to advise you free of charge on your project.

Build your own barrel sauna

After much preparation, it is finally time to build the sauna. You have prepared the right place and surface and the DIY kit is in your possession. We recommend that you read the manual carefully before starting construction so that you know what to expect.

To build the sauna, you first need to put the feet in place. After placing these feet, you can easily install a pair of crossbars to keep everything in place. Once this is done properly, you can assemble the guides. Once the guides are in place, it is very easy to close the sauna completely with the crossbars. All this is very easy to do, the hard part is assembling the door, benches and heater. Take enough time to do it.

Get a digital overview of our offer with information about all models, options, deliveries and our showroom!

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