When it comes to designing a sauna, choosing the right wood is essential. Not only does the wood need to withstand high temperatures and humidity, but it should also provide a natural and relaxing atmosphere. One of the best materials available for sauna construction is Thermowood. This specially treated wood offers numerous advantages, making it an excellent option for creating a durable and comfortable sauna experience.
What is Thermowood?
Thermowood is a type of wood that has been heat-treated at high temperatures (typically between 180°C and 230°C) in a controlled environment with minimal oxygen. This process significantly improves the wood’s durability, stability, and resistance to moisture, making it an ideal material for sauna construction.
Why is Thermowood Ideal for Saunas?
1. Superior Moisture Resistance
Saunas are exposed to high humidity levels, which can cause ordinary wood to warp, expand, or rot over time. Thermowood undergoes a heat treatment that reduces its ability to absorb moisture, ensuring that it remains dimensionally stable even under extreme conditions.
2. Improved Durability and Longevity
The heat treatment process removes organic compounds from the wood that typically contribute to decay and insect infestations. As a result, Thermowood has an extended lifespan and can withstand years of sauna use without significant degradation.
3. Enhanced Thermal Insulation
Thermowood has improved insulation properties compared to untreated wood. It retains heat efficiently while remaining cool to the touch, making it a comfortable option for sauna benches and walls.
4. Non-Toxic and Eco-Friendly
Unlike chemically treated woods, Thermowood is processed using only heat and steam, making it a completely natural and non-toxic option. This ensures that no harmful chemicals are released into the air when the sauna is in use, providing a healthier environment for relaxation.
5. Aesthetic Appeal
Thermowood has a beautiful, rich tone that enhances the visual appeal of any sauna. Its smooth surface and warm hues contribute to a cozy and inviting ambiance, elevating the overall sauna experience.
6. Minimal Maintenance Required
Due to its resistance to moisture and decay, Thermowood requires less maintenance compared to traditional wood types. Occasional cleaning and proper ventilation are usually enough to keep the wood in excellent condition for years.
Best Thermowood Options for Sauna Construction
Some of the most popular types of Thermowood used in saunas include:
- Thermally Treated Pine – Known for its affordability and pleasant aroma.
- Thermally Treated Aspen – Ideal for those who prefer a smooth, light-colored wood with a refined appearance.
- Thermally Treated Spruce – Offers a classic sauna aesthetic with excellent durability.
- Thermally Treated Alder – Provides a slightly reddish tone and is great for a luxurious sauna feel.
You can find our ThermoWood collection here : https://timbercladdingspecialists.co.uk/shop-now/thermowood
Final Thoughts
If you’re looking for a long-lasting, eco-friendly, and aesthetically pleasing material for your sauna, Thermowood is undoubtedly one of the best choices. Its superior moisture resistance, thermal insulation, and durability make it an excellent investment for both home and commercial sauna projects.
By choosing Thermowood, you can enjoy a relaxing, healthy, and visually stunning sauna experience for many years to come.
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