Sauna walls are a big part of sauna construction and need to be installed properly to ensure the sauna will work correctly. Sauna walls are traditionally made of wood, but can also be made of other materials such as stone or concrete. Both indoor saunas and outdoor saunas must have walls that are durable and able to withstand high temperatures. Sauna walls must also be heat-resistant and waterproof. Without sturdy walls, a sauna would not be able to retain heat properly and would not work correctly. Sauna walls are an essential part of any sauna, whether it is indoor or outdoor. Let's learn

What are sauna walls made of?

Most sauna rooms are made of wood, but the walls may also be made of stone, concrete, or glass.

The most popular type of wood used for sauna walls is cedar. Cedar is a softwood that has a high natural oil content. This makes it resistant to rot and insect damage and gives it a pleasant smell. Other types of wood that are sometimes used for sauna walls include fir, hemlock, and redwood.

Even the sauna door, sauna ceiling, sauna bench, outer wall, and floor may be made of wood. Some saunas have walls and ceilings that are lined with tile, stone, or another material for easy cleaning.

Sauna walls must be thick enough to insulate against heat loss and to protect the people inside from the heat generated by the sauna stove. The thickness of the walls depends on the type of wood used.

For example, cedar sauna walls are typically 3 to 4 inches (7.6 to 10.2 cm) thick, while fir walls may be only 1 to 2 inches (2.5 to 5.1 cm) thick.

In addition to being durable and attractive, wood is a good insulator. This is important because the sauna walls must be able to withstand high temperatures.

Concrete, stone, and glass are also used for sauna walls. These materials are less common than wood, but they have some advantages. For example, concrete and stone are more fire-resistant than wood. Glass walls can create a feeling of openness and provide a good view of the sauna stove.

When choosing a material for sauna walls, it is important to consider both aesthetics and function. The walls should be durable and heat-resistant, but they should also be pleasing to the eye.

How do they work?

For both an outdoor and indoor sauna, the walls need to be made of a heat-resistant material.

The sauna walls of a sauna room keep the heat inside the sauna. If the walls were made of a material that didn’t hold heat well, all the heat would escape and it would be very difficult to maintain a consistent temperature.

The vapor barrier prevents the heat from escaping through the walls and also protects the sauna walls from moisture.

Sauna walls are an important part of the sauna, and they need to be made of high-quality materials in order to function properly.

Are there any risks associated with sauna walls?

Not really! However, if the sauna walls are not made of high-quality materials, they might not work as well and could lead to lower temperatures inside the sauna.

Additionally, if the vapor barrier is not effective, moisture could damage the sauna walls.

Sauna doors, wall panels, and ceilings are typically made of high-quality wood, such as cedar, spruce, or hemlock. These woods have natural moisture-resistant properties that make them ideal for use in saunas.

But if you use any low-quality wood in your sauna, it will not be as effective in resisting moisture and could warp or rot over time. The foil vapor barrier should also be of high quality to prevent moisture damage.

If you are building a custom sauna, be sure to use only high-quality materials when building or repairing your sauna!

Where can you buy sauna walls?

You can either buy sauna walls separately or as part of a sauna kit. If you want to buy sauna walls separately, you can find them at most home improvement stores or online retailers.

If you want to buy a sauna kit, you can find kits that include everything you need to build a sauna at most home improvement stores or online retailers.

We suggest you get your sauna walls from sauna kits because it will be cheaper and easier to install them that way!

Sauna kits also include other necessary things such as a gas pipe, foil tape, a heater, a fiberglass batt, and other glass elements, etc. To avoid rough opening measurements (such as the ceiling height), we recommend that you buy a sauna kit as it will include all the necessary things.

How much do they cost?

If you are building a home sauna, the cost of the sauna walls will depend on the size and materials used.

On average, the cost of a basic home sauna kit is between $2,000 and $5,000. However, if you want to use higher-quality materials or add custom features, the cost could be much higher.

If you are looking for a more budget-friendly option, you could try building a sauna yourself using a sauna kit. Sauna kits typically cost between $500 and $1,500.


To get the most out of your sauna experience, be sure to use high-quality materials when building sauna walls! Kits that include everything you need are available at most home improvement stores or online retailers and will save you time and money in the long run. Just make sure to use high-quality materials to avoid any moisture damage. Thanks for reading!

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