Accoya: Ultra-High Performance Sustainable Wood! Manufactured in Tennessee and trusted worldwide, Accoya has redefined what’s possible with wood by combining unmatched durability, dimensional stability, and environmental responsibility. Through an advanced modification process, sustainably sourced timber is transformed into a high-performance material that resists rot, swelling, and distortion—ensuring projects maintain their beauty and integrity for decades. With a service life of up to 60 years, industry-leading warranties up to 50 years, and FSC® certification, Accoya supports a circular, bio-based economy while offering the natural appeal of real wood. Non-toxic, 100% recyclable, and easy to machine with standard tools, Accoya provides architects, builders, and fabricators with a proven, low-maintenance solution for sustainable excellence in both exterior and interior applications.