Trusted since 2007 by architects, manufacturers, and homeowners worldwide, Accoya has been used in over 500,000 landmark projects. It continues to redefine what wood can achieve, combining natural beauty with exceptional performance. Proudly brought to you by WD Craftline.
Accoya modified wood has become the lumber industry benchmark when it comes to performance and sustainability. No other wood offers the same combination of durability, stability and versatility. Sustainably sourced, and with a low total lifetime carbon cost, Accoya actively contributes to a circular, bio-based economy and is one of the few truly sustainable building materials.
FAQs
Is Accoya suitable for heritage restoration projects?
Absolutely. Accoya delivers the stability required for custom historical profiles and large-scale architectural glazing. It allows you to maintain the exact aesthetic of a heritage building while utilizing a material that meets modern Class 1 durability standards.
Can I paint or stain Accoya windows and doors?
Yes. Because the wood is so stable, coatings stay adhered much longer. Paint and translucent stains typically last 3x longer on Accoya than on other wood species, significantly reducing your long-term maintenance costs.
Does Accoya really last 50 years?
Accoya is Class 1 durability rated. It comes with a 50-year warranty for above-ground use and a 25-year warranty for below-ground or freshwater applications. It is virtually rot-proof and resistant to wood-boring insects.
How does it handle the Ontario climate?
It is the ideal solution for the GTA’s extreme seasonal shifts. Because Accoya has 75% less shrinkage and swelling than traditional timbers, your windows and doors will not stick or warp during humid summers or freezing winters.
Can Accoya® support the weight and scale of large commercial glazing?
Yes. Its industry-leading dimensional stability makes it the ideal material for large-span openings and heavy, high-performance double or triple-glazed units. Accoya® delivers the structural integrity needed for expansive commercial storefronts and windows without the risk of warping or frame failure.
An extensive look at some of the most inspirational uses of Accoya from around the World.









