Accoya® Alder expands Accsys Technologies’ award-winning acetylation technology to a popular North American and European species. Like original Accoya® Radiata wood, Accoya® Alder undergoes a proprietary wood modification process that dramatically improves durability, hardness and dimensional stability while retaining the wood’s natural strength and beauty.
Prior to its introduction, Accoya® Alder underwent several years of R&D, material testing and prototype trials, including as screens, doors, windows, flooring and outdoor furniture. Accoya® Alder offers a European durability Class 1 rating under EN 113:199 in Use Classes 1-4, with “4” including below-ground and water environments. Accoya® Alder also has an 80% improvement in dimensional stability, retained strength and stiffness and a 30% higher Janka hardness than the pre-modified wood (tested in accordance with ASTMD143). Accoya® Alder carries a 50-year above-ground warranty and a 25-year below-ground warranty against rot and decay.
Alder’s fine grain and medium tone have traditionally made it sought-after aesthetically for joinery applications such as interior doors, cabinetry, flooring, and moldings. With the improved durability, stability and hardness properties resulting from the application of the Accoya® Process, alder can now be used for a range of exterior products including screens, outdoor furniture, flooring, windows and doors.
The wood has impressive environmental credentials including its sourcing from legal, sustainable and FSC certified sources.
To find out more about Accoya® Alder please click here to download the latest data sheet, quick guide and lumber grading specification. Accoya Alder is available through our worldwide network of Accoya® wood distributors. For more information please contact us