The Global Deck Modified Wood Market was valued at USD 3.82 Billion in 2023 and is projected to reach USD 6.21 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 7.1% during the forecast period (2024–2030). This growth is being driven by increasing demand for durable, low-maintenance outdoor living spaces, stringent regulations promoting sustainable construction, and the superior performance characteristics of modified wood over traditional timber and composite alternatives.

As the construction industry pivots toward eco-friendly and long-lasting materials, the focus shifts to the innovators who are redefining wood technology. In this blog, we profile the Top 10 Companies in the Deck Modified Wood Industry—a group of pioneers specializing in thermal modification and acetylation processes that enhance wood’s natural properties for superior outdoor applications.

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🔟 1. Oy Lunawood Ltd.

Headquarters: Lahti, Finland
Key Offering: Thermally Modified Timber (TMT) for decking, cladding, and landscaping

Lunawood is a Finnish leader in thermal modification technology, producing sustainable wood products without the use of chemicals. Their thermally modified Nordic pine and spruce offer exceptional durability, dimensional stability, and resistance to decay, making them ideal for demanding outdoor environments.

Sustainability Initiatives:

• Production process uses only heat and steam, creating a fully recyclable product

• Certified by PEFC and FSC for sustainable forestry practices

• Zero-waste production philosophy with by-products used for energy generation

Download FREE Sample Report: Deck Modified Wood Market – View in Detailed Research Report

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9️⃣ 2. Accsys Technologies PLC

Headquarters: London, United Kingdom
Key Offering: Accoya® wood (acetylated wood) for decking and structural applications

Accsys Technologies is the creator of Accoya® wood, a revolutionary acetylated timber product. Through a proprietary acetylation process, the company transforms sustainably sourced softwoods into a high-performance material with a 50-year above-ground and 25-year in-ground warranty, outperforming tropical hardwoods.

Sustainability Initiatives:

• Accoya® wood is Cradle to Cradle Certified® Gold

• Production process uses non-toxic acetic anhydride from renewable sources

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8️⃣ 3. Kebony ASA

Headquarters: Oslo, Norway
Key Offering: Kebony® modified wood for decking, flooring, and cladding

Kebony’s proprietary technology involves impregnating sustainable softwoods with a bio-based liquid derived from agricultural crop waste. This process permanently enhances the wood’s hardness and durability, giving it the characteristics of premium tropical hardwoods while maintaining environmental integrity.

Sustainability Initiatives:

• Uses furfuryl alcohol, a bio-based reagent from sugar cane and corn cobs

• Products are 100% recyclable and biodegradable

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7️⃣ 4. Thermory AS

Headquarters: Tallinn, Estonia
Key Offering: Thermally modified wood for decking, saunas, and interior flooring

Thermory is one of Europe’s largest producers of thermally modified wood, operating state-of-the-art facilities in Estonia and the US. The company offers a wide range of wood species, including ash, aspen, and pine, each treated to achieve specific performance characteristics for various applications.

Sustainability Initiatives:

• All wood sourced from PEFC and FSC certified sustainably managed forests

• Energy-efficient thermal modification process with closed-loop systems

Download FREE Sample Report: Deck Modified Wood Market – View in Detailed Research Report

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6️⃣ 5. Stora Enso Oyj

Headquarters: Helsinki, Finland
Key Offering: Impression® and StableLab thermally modified wood products

As a global leader in the renewable materials industry, Stora Enso brings substantial scale and R&D capabilities to the modified wood market. Their thermally modified wood products are engineered for exceptional stability and durability in exterior applications, backed by the company’s extensive forestry expertise.

Sustainability Initiatives:

• Committed to 100% traceable and certified wood raw materials by 2030

• Carbon storage calculation for all wood products

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5️⃣ 6. Oy SWM-Wood Ltd.

Headquarters: Karkkila, Finland
Key Offering: Thermally modified timber for decking and construction

SWM-Wood specializes in high-temperature thermal modification of Nordic wood species. Their products are known for consistent quality and performance, serving architectural and construction markets across Europe and North America with wood that maintains its integrity in harsh weather conditions.

Sustainability Initiatives:

• Utilizes sawmill by-products for energy generation in the modification process

• Chain of Custody certification for sustainable sourcing

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4️⃣ 7. Novawood

Headquarters: Kiviõli, Estonia
Key Offering: Thermally modified wood for decking, cladding, and interior design

Novawood operates one of the most modern thermal modification plants in the Baltic region, producing high-quality modified wood from locally sourced pine, ash, and aspen. The company has developed proprietary treatment protocols that optimize wood performance for specific climatic conditions.

Sustainability Initiatives:

• Investment in R&D for reducing energy consumption during modification

• Partnerships with local forestry management for sustainable harvesting

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3️⃣ 8. Karava Oy

Headquarters: Säkylä, Finland
Key Offering: Thermally modified pine and spruce for outdoor applications

Karava specializes in the thermal modification of Nordic softwoods, focusing on premium quality decking and siding products. Their meticulous process control ensures uniform modification throughout each board, resulting in consistent performance and appearance for architectural projects.

Sustainability Initiatives:

• Implementation of ISO 14001 environmental management system

• Use of renewable energy sources in manufacturing operations

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2️⃣ 9. ARBOR WOOD

Headquarters: Amstenrade, Netherlands
Key Offering: Thermally modified wood for decking, fencing, and landscaping

ARBOR WOOD has developed advanced thermal modification techniques that enhance the natural beauty and durability of European wood species. The company serves both residential and commercial markets with products that offer an eco-friendly alternative to tropical hardwoods and composites.

Sustainability Initiatives:

• Focus on local European wood species to reduce transportation emissions

• Development of closed-loop water systems in production facilities

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1️⃣ 10. Coillte Panel Products

Headquarters: Dublin, Ireland
Key Offering: Thermally modified wood products from sustainable Irish forests

As a subsidiary of Coillte, Ireland’s state-owned forestry company, Coillte Panel Products has unique access to sustainable timber resources. Their thermally modified wood combines the natural warmth of wood with enhanced performance characteristics, making it suitable for the demanding Irish and UK climates.

Sustainability Initiatives:

• Direct sourcing from Coillte’s certified sustainable forests

• Investment in carbon sequestration research and sustainable forestry practices

Get Full Report Here: Deck Modified Wood Market – View in Detailed Research Report

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🌍 Outlook: The Future of Deck Modified Wood Is High-Performance and Sustainable

The deck modified wood market is experiencing transformative growth as construction priorities shift toward sustainability and longevity. While traditional wood treatments still dominate certain segments, the industry is increasingly adopting advanced modification technologies that enhance performance without compromising environmental values.

📈 Key Trends Shaping the Market:

• Rising demand for low-maintenance, durable outdoor living spaces in residential construction

• Stringent building codes and green certification requirements driving specification of modified wood

• Advancements in modification technologies improving efficiency and reducing costs

• Growing consumer awareness of deforestation issues favoring modified wood over tropical hardwoods

Get Full Report Here: Deck Modified Wood Market – View in Detailed Research Report

The companies listed above are not only supplying premium building materials—they’re pioneering the sustainable transformation of the construction industry.