PREMIUM MODIFIED WOOD

wood without compromise.

Accoya® is high-performance modified wood engineered for exceptional stability, durability and versatility — while retaining the natural beauty and workability of real wood.

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WHY ACCOYA?

MADE TO PERFORM.
BUILT TO LAST.

Accoya takes real wood and enhances its performance through a proven modification process. The result is exceptionally stable and durable wood designed to withstand demanding environments while maintaining its natural beauty.

  • STABLE

    Exceptional dimensional stability means less swelling, shrinking and movement.

  • DURABLE

    Built for long-term performance with outstanding resistance to rot and decay.

  • VERSATILE

    The beauty and workability of real wood for a wide range of applications.

  • SUSTAINABLE

    Made from responsibly sourced wood and designed for a long service life.

BUILT FOR MORE

ONE WOOD.
ENDLESS POSSIBILITIES.

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DECKING

Beautiful real wood underfoot, engineered for stability and long-term outdoor performance.

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SIDING + CLADDING

Natural warmth and architectural character with exceptional dimensional stability.

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Stable, durable wood designed to maintain its fit and performance through changing conditions.

WINDOWS + DOORS

THE ACCOYA DIFFERENCE

MODIFIED FOR
PERFORMANCE.

Accoya begins with real wood and enhances it through a proven modification process, improving its performance while retaining the natural beauty and workability of real wood.

Excellent Machinability

Exceptional Finish

RETAINED STRENGTH AND DENSITY

confidence, built in.

Accoya is engineered to perform for decades, backed by an industry-leading warranty.

50 YEARS
above ground

25 YEARs
In ground or fresh water

REAL WOOD. REIMAGINED.

NATURAL BEAUTY MEETS INNOVATION.

Accoya retains the grain, warmth and character of real wood while delivering exceptional performance. It can be machined, finished and worked using familiar woodworking methods, giving builders and designers greater freedom without sacrificing durability.

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AVAILABLE FROM GAIENNIE LUMBER

BUILD BETTER WITH ACCOYA.

From decking and siding to windows, doors and custom applications, Gaiennie Lumber can help you bring the performance of Accoya to your next project.

ASK US ABOUT ACCOYA