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Thermowood®
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What is Thermowood?
Thermowood is a high-quality wood product created through a controlled heat treatment process. This process enhances the wood’s properties, making it more durable, stable, and resistant to biological decay. Originating in Finland, the Thermowood process is now globally recognized and utilized, with the International Thermowood Association overseeing the standards and promotion of these products.
What Makes Original Thermowood® So Unique Compared to Other Wood Treatments?
| Thermowood® Ayous | Autoclave Wood | Kiln-Dried Wood | Other thermo modification | |
|---|---|---|---|---|
| Treatment Process | Patented process of thermal modification, standardized and audited | Treated using alternative methods - varying for each factory | Simple heat treatment to reduce moisture content | Thermal modification, varying for each factory |
| Wood moisture | 4-6% | 15-20% | 8-12% | 4-8% |
| Lifespan | 25+ years | 15-25 years | 10-20 years | 15 - 25 years |
| Biological Resistance | High (resistant to fungi, mold and thermite) | High | Moderate to high | High |
| Thermal stability | High (good insulator) | Moderate | Moderate | High |
| Weather Resistance | Excellent | Excellent | Good | Varies (generally good) |
| Dimensional Stability | High | High | Moderate to high | Varies (generally high) |
| Maintenance | Low | Moderate | Moderate | Varies |
| Environmental Impact | Low (chemical-free) | Higher (chemicals used) | Moderate | Low (if chemical-free) |
| Sustainability | Always FSC certificated | Depends on sourcing | Depends on sourcing | Depends on sourcing |
Ash
Thermowood® Ash undergoes a high-temperature treatment process that enhances its durability, stability, and resistance to decay, making it an excellent option for projects that demand wood with superior performance attributes.
Price
$$
Life
Span
25+ year
Sustainably
Sourced
100%
Custom
Milling
Yes
Available
Profiles
All
Thermowood® Pine
Thermowood® Pine is a cost-effective thermally modified wood that comes in a light tan color with a knotty texture. It’s an excellent choice for areas with high moisture as it’s resistant to rot and decay.
Price
$
Life
Span
15+ year
Sustainably
Sourced
100%
Custom
Milling
Yes
Available
Profiles
All
Thermowood® Ayous
Thermowood® Ayous is a softwood that undergoes a special thermal modification process, which enhances its natural durability and stability. It’s available in a distinctive honey color or a darker, chocolate-like color.
Price
$$
Life
Span
25+ year
Sustainably
Sourced
100%
Custom
Milling
Yes
Available
Profiles
All
Kebony Clear
Engineered for superior durability and strength, Kebony has performance characteristics similar to those of tropical hardwoods. As an exclusive Lumber Plus benefit, this world-class product is available in a nearly unlimited range of decking, cladding, and architectural millwork profiles.
Price
$$$
Life
Span
30+ year
Sustainably
Sourced
100%
Custom
Milling
Yes
Available
Profiles
All
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