ThermoWood Boards
Premium Thermally Modified Lumber for Your Projects
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Design Without Limits
Eco Hearth provides construction professionals, builders, architects, and renovation companies with high-quality thermally modified lumber (TMD) in ash, pine, spruce, and oak. Perfectly suited for exterior and interior applications, our boards are ideal for siding, decking, cladding, interior finishing, and custom architectural details.
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Why Choose ThermoWood Boards?
- Superior Dimensional Stability
- Minimal expansion and contraction—up to 60% less movement compared to traditional wood.
- Ideal compatibility with all standard fastening systems and installation methods.
- Minimal expansion and contraction—up to 60% less movement compared to traditional wood.
- Enhanced Durability & Longevity
- Highly resistant to moisture, mold, rot, and insect attacks without chemical treatments.
- Service life of 25+ years, outperforming untreated timber and many other alternatives.
- Highly resistant to moisture, mold, rot, and insect attacks without chemical treatments.
- Eco-Friendly & Safe
- Treated exclusively through high-temperature heat and steam—100% chemical-free.
- Suitable even for interior applications, safe for residential and commercial spaces.
- Treated exclusively through high-temperature heat and steam—100% chemical-free.
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Custom Dimensions & Profiles Available:
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We offer lumber precisely tailored to your specifications:
- Customized thicknesses and widths to meet your project requirements.
- Profiles available: tongue-and-groove, smooth shiplap, open-joint rainscreen profiles, decking boards, and more.
- Optional factory-applied finishes including UV-protective oils, or supply unfinished to naturally age to an attractive silver-gray patina.
Why Professionals Choose Eco Hearth:
- Reliable supply chain with efficient nationwide delivery across the U.S.
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- Quick sample provision and personalized pricing on request.
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- Expert technical guidance and support throughout your project’s lifecycle.
Contact us today
Explore our range and discover how much you can transform your outdoor space. For more information on prices, materials, and to buy the ideal flooring for your home, simply leave a request on our website. Let's create your dream outdoor space together!