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The NatureWood® ACQ® preservative is a waterborne, Alkaline Copper Quaternary preservative system developed to provide long-term protection to wood exposed in exterior applications. The ACQ NatureWood system is based on Copper combined with a quaternary ammonium compound and is applied to wood by pressure treatment. Copper and quaternary ammonium compounds are effective fungicides and termiticides. Together they provide protection against a broad spectrum of decay fungi, borer and termites.
NatureWood ACQ is suitable from H1 to H5. For details on what the hazard classifications are please go to the Treatment Guide page.