Thermally Modified Wood
Engineered by Nature, Perfected by Heat
Our thermally modified wood is enhanced through heat and steam to improve stability, durability, and long-term exterior performance while preserving the natural beauty of real wood.
What is Thermally Modified Wood?
The Future of Wood, Engineered for Excellence

Enhanced Durability
Resists decay, fungi, and insects, making it ideal for outdoor use.

Dimensional Stability
Reduced swelling and shrinking, even in extreme climates.

Eco-Friendly
Natural process using heat and steam, with wood from sustainable forests.

Aesthetic Appeal
Rich, caramelized tones that naturally weather to a beautiful silver-gray.
Why Choose Vintage Woods?
Craftsmanship and Expertise You Can Trust
At Vintage Woods we don’t just sell wood—we craft solutions. Our thermally modified wood is the result of decades of expertise and a commitment to excellence. Here’s why builders, architects, and homeowners choose us.
- Unmatched Quality: Every board is carefully selected and treated to ensure consistent performance and beauty.
- Sustainability: We source our wood from responsibly managed forests and use an eco-friendly modification process.
- Customization: From Ash decking to cladding profiles, we offer tailored solutions to match your vision.
- Expert Support: Our team of wood specialists is here to guide you every step of the way, from product selection to installation.
Applications
Versatile Solutions for Every Project

Cladding
Create stunning facades with wood that resists warping, swelling, and decay.

Decking
Enjoy outdoor spaces that are as durable as they are beautiful, with minimal maintenance.

Soffits and Trim
Add the perfect finishing touch to your project with wood that performs in any climate.
Technical Specifications
Engineered for Performance
Property | Details |
Moisture Content | 4–6% (significantly lower than untreated wood) |
Dimensional Stability | 50–70% better than untreated wood |
Durability | Class 2–3 resistance to decay fungi (EN 350 standard) |
Thermal Conductivity | ~5–10% lower than untreated wood |
Density | ~5–7% reduction compared to original species |
Mechanical Strength | MOR/MOE may drop 10–20% (adjusted for design loads) |
Warranty and Maintenance
Built to Last, Backed by Confidence
At Vintage Woods, we stand behind the quality of our thermally modified wood. Our products come with a comprehensive warranty to give you peace of mind.
- 20-Year Limited Warranty: Covers rot and fungal decay for two decades.
- Transferable Warranty: Ensures value for future property owners.
- Exclusions: Warranty does not cover improper installation, excessive moisture exposure, or acts of God.
- Sealing: Apply a UV-resistant clear coat to maintain the wood’s rich color.
- Cleaning: Regularly clean to prevent dirt, pollen, and debris buildup
- Cut Ends: Seal all exposed edges and cut ends during installation for best performance.
Warranty and Maintenance
Built to Last, Backed by Confidence
Warranty Details
- 20-Year Limited Warranty: Covers rot and fungal decay for two decades.
- Transferable Warranty: Ensures value for future property owners.
- Exclusions: Warranty does not cover improper installation, excessive moisture exposure, or acts of God.
Maintenance Tips
- Sealing: Apply a UV-resistant clear coat to maintain the wood’s rich color.
- Cleaning: Regularly clean to prevent dirt, pollen, and debris buildup
- Cut Ends: Seal all exposed edges and cut ends during installation for best performance.




