Thermally modified wood is ideal for terraces because of its durability, resistance and stability in outdoor conditions.
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Hardwood Decking Boards Made from Thermo Ash – Elegance and Longevity for Your Terrace
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Terrace flooring
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Lolland terrace SF
From: 71,15 €
- Thickness: 25 mm / 21 mm
- Width: 110 mm / 130 mm / 140 mm / 90 mm
- Length: 1.5 - 3 m

Lolland terrace SH
From: 71,15 €
- Thickness: 25 mm / 21 mm
- Width: 110 mm / 130 mm / 140 mm / 90 mm
- Length: 1.5 - 3 m
Distinctive Appearance
Thermo ash wood features a deep, warm colour and refined grain texture. Ash decking boards offer a luxurious, natural look that instantly elevates any terrace design.
High Resistance to Outdoor Factors
Through heat treatment, moisture is removed, and the wood gains resistance to rot, pests, and deformation. That’s essential for outdoor applications, such as terraces or balconies.
Chemical-Free and Eco-Friendly
Thermo-treated ash is processed without the use of chemicals, making it a safe and sustainable choice, even in families with children or environmentally sensitive areas.
A Long-Term Investment
Although thermo ash wood prices may be higher than those of softwoods, it’s a wise investment in aesthetics, strength, and reduced maintenance over time.
Thermo Ash Decking Boards FAQ
What Is Thermo Ash?
Thermo ash is heat-treated ash wood, enhanced at high temperatures to improve its shape stability and resistance to moisture, decay, and UV exposure. It maintains its colour and form for years.
Is Thermo Ash Suitable for Terrace Construction?
Absolutely. Thermo ash decking is highly resistant to outdoor conditions and perfect for heavy use. As decking boards hardwood, they handle wear well and require little upkeep.
How to Maintain Thermo Ash in Outdoor Areas?
Maintenance is minimal. To preserve the original tone of your smooth hardwood decking boards, apply oil periodically. If a natural silver-grey patina is preferred, no treatment is needed.
What’s the Price of Hardwood Decking Boards?
Hardwood decking boards price depends on profile and finish. While thermo-ash wood prices are higher than those of softwoods, they pay off with long-term durability, beauty, and lower maintenance costs.

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