Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood. Pressure treated lumber is treated with Alkaline Copper Quaternary ( ACQ ), an environmentally friendly water-based preservative that is free of arsenic and chromium.
One of the new pressure treated lumber uses the preservative Alkaline Copper Quaternary ( ACQ ). CCA treated lumber is still manufactured and sold for certain. ACQ treated lumber can be painted or stained with any high quality oil or latex based paint or stain. For help selecting the proper type of treated wood for any setting.
Water repellent coatings can be applied to improve the. Preserve ACQ - Alkaline Copper Quaternary ( ACQ ) is a water-based wood preservative formulation made of soluble copper and a quaternary compound. Nov Simply put, ACQ - treated lumber is extremely corrosive to metal fasteners such as nails, screws, deck hangers, etc.
Where to Use Pressure- Treated Wood. This problem has been. Of these chemicals, ACQ currently is the most widely used wood preservative for residential applications.
In a perimeter box made of 2" by 6" ACQ pressure- treated lumber, install 6" of. ACQ (alkaline copper quaternary) is a water-based wood preservative that prevents decay from fungi and insects (i.e., it is a fungicide and insecticide).
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