Acetylation: What is acetylated wood?

Written by Resolute Timbers

December 8, 2023

Demystifying Acetylated Wood: The Secret Behind Accoya®

Have you ever wondered about the mysterious process behind Accoya®, the revolutionary wood known for its durability and sustainability? While academic journals offer complex explanations involving hydroxyls and hydrogen atoms, let’s break it down into simpler terms:

Acetylation: Pickling Wood for Superior Performance

Imagine this: a softwood transformed into a hardwood by a simple vinegar treatment! That’s the essence of acetylation. This process involves immersing the wood in acetic anhydride, a close relative of vinegar, but not the kind you find on your fish and chips!

Safe and Sound: No Toxic Chemicals Here

While the concentrated form of acetic anhydride resembles strong vinegar, it’s completely absent in Accoya® wood. During the acetylation process, this chemical interacts with the wood molecules, making them highly resistant to water absorption. The leftover liquid? You guessed it – just strong vinegar! We even find ways to reuse this byproduct, embracing sustainability and minimizing waste.

Benefits Beyond Pickling: Water Resistance for Ultimate Durability

The key to understanding Accoya’s benefits lies in its remarkable water resistance. Water is the arch-enemy of untreated wood, causing rot, warping, shrinking, and insect infestation. But Accoya® stands tall. By eliminating water absorption, this technology addresses the root cause of these problems, creating wood that:

  • Doesn’t rot or decay
  • Resists warping, swelling, and shrinking
  • Won’t splinter or become food for insects

These remarkable properties translate into numerous advantages:

  • Longevity: Accoya® decks, claddings, windows, and doors last significantly longer than their traditional counterparts.
  • Dimensional Stability: Its stable nature makes it ideal for coating and ensures its shape and dimensions remain intact.
  • Sustainability: Accoya® is a carbon sink, contributing positively to the environment.
  • Reduced Maintenance: Forget frequent treatments and repairs. Accoya® requires minimal upkeep.

A Sustainable Choice: Cultivating, Not Cutting Down Forests

At the heart of Accoya® lies a commitment to sustainability. We source all our wood from responsibly managed farms, contributing to increased biomass. This approach avoids deforestation and its associated environmental damage.

Beyond Traditional Hardwoods: Accoya® Offers More

While exotic hardwoods like oak and teak may seem desirable, they still suffer from the same vulnerabilities as untreated wood. Accoya®, on the other hand, offers superior durability without sacrificing sustainability.

Acetylation: A Technology for the Future

While the acetylation process itself isn’t new, scaling it up to commercial viability is a recent accomplishment. Since 2007, Accoya® has been providing the world with a reliable, eco-friendly wood alternative.

Peace of Mind and a Legacy for the Future

Choosing Accoya® is more than just selecting a building material; it’s an investment in peace of mind, environmental protection, and a legacy for the future.

By understanding the essence of acetylation and its impact on Accoya®, you’re empowered to make informed choices for your home and the planet.

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