What is Accoya?

Accoya stands as the global leader in high-performance wood. Our patented modification process enables wood to withstand the harshest exterior elements while enhancing its natural beauty, strength, and character. Powered by proven acetylation science, Accoya wood is permanently transformed at the cellular level, creating a material that is virtually unaffected by water uptake. This results in exceptional dimensional stability, durability, and resistance to rot and decay. Backed by a leading warranty, 50 years above ground and 25 years in ground or freshwater, Cradle to Cradle certified® at the Gold level Accoya sets the benchmark for performance in building materials, delivering unmatched longevity, sustainability, and confidence in every application.