In comparison to untreated wood, treated lumber has been chemically treated with preservatives to extend its intended useful life cycle. To protect wood fibers against structural degradation, decay fungi, termites, marine organisms, fire, and other risks, a variety of treatments and preservatives are utilized. A.W. Graham Lumber is the place to go for high-quality 2x12 18-ft #1 Grade, MCA Treated Lumber with Ground Contact Level Treatment (.14) for all of your home improvement projects. We have a large assortment of treated lumber for woodworking, construction, and other purposes. Because it is lightweight, robust, and simple to work with, our Southern Yellow Pine Framing Lumber is great for building projects. Home of dirt cheap treated lumber prices! We encourage everyone to submit a quote online for orders, visit our store/location, or contact us for any available pressure-treated lumber & treated dimensional board supplies near Flemingsburg, Maysville, Morehead, Mt Sterling, Lexington, Ashland in Kentucky, and the surrounding Indiana, Ohio, West Virginia regions.