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What Type of Foundation Do You Need for a Backyard Sauna

Before installing your outdoor cabin or barrel sauna in your backyard, you will need to prepare a foundation made of concrete or gravel. However, placing your sauna on a wooden deck is also sufficient. 

Why Do Outdoor Saunas Need a Foundation?

Having a stable foundation for your sauna is one of the most crucial yet overlooked parts of sauna installation. Saunas are heavy, and a solid foundation helps give them the support and structural stability needed for regular use. A solid base will also prevent your sauna from leaning and shifting once it is installed. 

A solid sauna foundation is also essential for moisture control and drainage. A proper foundation keeps the sauna elevated and helps direct water away from the base, preventing wood rot or mold. 

What Kind of Bases Can You Make for Your Sauna?

  • Concrete Slab: Concrete is one of the strongest materials for a sauna base that you can install, as it is highly durable and weather-resistant. A custom-poured concrete base is perfect for any kind of permanent sauna installation. 
  • Gravel with Patio Stones: Gravel is another excellent sauna foundation choice as it is easy to install and allows for excellent water drainage at the sauna base. Since gravel pouring is not permanent, it is the perfect choice for semi-permanent saunas or a good base option to start with if you are still unsure about your sauna’s location.
  • Decking or Wood Platform: Wood is an excellent, versatile sauna foundation that will blend seamlessly with the sauna itself. Wood is usually a good option for a covered porch or patio. However, when left in the open, wood sauna bases are susceptible to water damage. 

If you are looking for a new sauna for your backyard, build a quote on SaunaFin’s homepage today!

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