Anticorrosive wood concept

Anti-corrosion wood refers to timber that has undergone specialized treatment to provide protection against rot, termites, and fungi. Designed specifically for outdoor use, this type of wood can be safely installed in environments that involve contact with water or soil. Common applications include outdoor decking, garden pathway floors, wooden platforms, terraces, and pergolas—essentially any structure exposed to the elements.

Currently, the most widely used preservatives are CCA, ACQ, and CAB. CCA primarily consists of copper and arsenic, while ACQ uses an ammonia-based soluble alkylamine copper compound. CAB, on the other hand, relies on copper and bismuth as its primary components. The exact amount of preservative applied depends on the specific conditions under which the wood will be used, as outlined in the recently released national standard titled "Preservative Wood."

Another option gaining popularity is preservative-free carbonized wood, sometimes referred to as heat-treated wood. This process involves heating the wood to eliminate its natural nutrients, effectively breaking the decay-causing bacteria's food supply. By doing so, the wood achieves natural resistance to rot and pests. Carbonized wood is considered a truly eco-friendly building material, making it an excellent choice for those seeking sustainable options.

Additionally, there’s untreated Canadian red cedar, often chosen for its inherent qualities. This species naturally contains enzymes and emits a unique scent that acts as a deterrent to insects and decay. While it doesn’t require chemical treatments, its aesthetic appeal and durability make it a premium choice for both indoor and outdoor projects.

In summary, whether you opt for chemically treated anti-corrosion wood, preservative-free carbonized wood, or naturally resistant Canadian red cedar, each offers distinct advantages depending on your project needs and environmental concerns. Understanding these differences can help ensure you select the best material for your next outdoor construction endeavor.