Thermowood offers superior durability and enhanced moisture resistance compared to Cedar, making it ideal for sauna panels exposed to high heat and humidity. Cedar provides a natural aroma and aesthetic appeal but requires more maintenance due to its softer wood structure.
Table of Comparison
Feature | Thermowood | Cedar |
---|---|---|
Durability | High resistance to decay and insects due to heat treatment | Naturally durable, resistant to moisture and insects |
Moisture Resistance | Excellent; reduced hygroscopicity from thermal modification | Good; natural oils repel moisture |
Stability | Very stable; less warping and swelling | Stable but can warp if not properly maintained |
Odor | Mild, neutral scent | Distinctive aromatic cedar smell |
Appearance | Uniform color, darker tone after thermal treatment | Rich reddish-brown with natural grain patterns |
Cost | Moderate; cost-effective alternative | Higher; premium wood option |
Maintenance | Low; retains properties with minimal care | Moderate; requires oiling to maintain aroma and durability |
Sustainability | Eco-friendly; uses softwood, heat-treated without chemicals | Eco-friendly; naturally sourced hardwood |
Introduction to Sauna Panel Materials
Thermowood and cedar are popular sauna panel materials due to their durability and natural resistance to moisture and heat. Thermowood undergoes a heat treatment process that enhances its stability and longevity, making it highly suitable for sauna environments. Cedar offers a pleasant aroma and natural antimicrobial properties, contributing to a comfortable and hygienic sauna experience.
What is Thermowood?
Thermowood is a type of heat-treated wood known for its enhanced durability and resistance to moisture, making it ideal for sauna panels. This process involves heating the wood to high temperatures in a controlled environment, which improves its dimensional stability and reduces its tendency to warp or decay. Compared to cedar, Thermowood offers a sustainable option with a longer lifespan and lower maintenance requirements in sauna installations.
What is Cedar Wood?
Cedar wood is a softwood known for its natural resistance to decay, moisture, and insect damage, making it a popular choice for sauna panels. Its aromatic properties and warm, reddish-brown color enhance the sauna experience while providing durability in humid environments. Compared to Thermowood, cedar requires less chemical treatment due to its inherent natural oils and provides excellent insulation and dimensional stability.
Durability Comparison: Thermowood vs Cedar
Thermowood offers enhanced durability for sauna panels due to its heat-treated process, which significantly improves resistance to moisture, decay, and insect damage compared to natural cedar. Cedar, while naturally resistant to rot and decay thanks to its oils, tends to be softer and more prone to surface wear and dents over time. Thermowood's stability and longevity in high-humidity sauna environments make it a superior choice for long-lasting paneling compared to traditional cedar.
Insulation and Heat Resistance
Thermowood offers superior insulation properties due to its thermal modification process, reducing moisture absorption and enhancing dimensional stability, which makes it highly effective for sauna panels. Cedar is known for its natural heat resistance and low thermal conductivity, ensuring comfortable surface temperatures and durability under sauna heat. Both woods provide excellent heat resistance, but Thermowood's enhanced insulation performance makes it a preferred choice for energy-efficient sauna paneling.
Moisture Resistance and Longevity
Thermowood offers superior moisture resistance compared to cedar, as it undergoes a heat treatment process that reduces its hygroscopic properties, making it less prone to swelling and decay in sauna environments. Cedar, while naturally resistant to moisture and decay due to its aromatic oils, may still absorb more water over time, potentially affecting its durability. The enhanced dimensional stability of Thermowood contributes to longer-lasting sauna panels, particularly in high-humidity conditions, whereas cedar panels require more frequent maintenance to preserve their longevity.
Aesthetic Differences: Color and Grain
Thermowood sauna panels exhibit a rich, warm brown hue that deepens over time due to controlled thermal modification, enhancing both color stability and durability. Cedar panels are prized for their natural reddish tone and intricate grain patterns, offering a classic and aromatic aesthetic favored in traditional sauna designs. The contrast between Thermowood's smooth, uniform texture and Cedar's more pronounced knots and grain variation provides distinct sensory and visual experiences.
Maintenance Requirements
Thermowood sauna panels require minimal maintenance due to their heat-treated wood structure, which enhances resistance to moisture, decay, and insect damage, reducing the need for frequent sealing or staining. Cedar panels, while naturally resistant to decay and insects, typically demand regular oiling or sealing to preserve their appearance and aromatic properties under sauna conditions. Both materials benefit from routine cleaning, but Thermowood offers a lower long-term maintenance commitment compared to cedar when exposed to high heat and humidity in saunas.
Cost and Availability
Thermowood offers a cost-effective option for sauna panels, typically priced lower than cedar while providing excellent durability and resistance to moisture due to its heat-treated process. Cedar, known for its natural aromatic qualities and smooth texture, commands a higher price and may face limited availability depending on regional supply and sustainability regulations. Choosing between Thermowood and cedar depends on balancing budget constraints with desired aesthetic and scent properties, as well as local material accessibility.
Final Verdict: Which is Best for Your Sauna?
Thermowood offers superior durability and dimensional stability, making it ideal for high-moisture sauna environments, while cedar provides natural resistance to decay and a pleasant aromatic experience. For a long-lasting, low-maintenance sauna panel, thermowood is the preferred choice due to its enhanced thermal insulation and reduced warping. Cedar remains popular for its traditional aesthetic and natural scent, but thermowood's engineered properties deliver better overall sauna performance.

Infographic: Thermowood vs Cedar for Sauna Panel