meets the highest grading standards for strength and appearance. Treated for protection against fungal decay, rot and termites, it is ideal for ground contact and a variety of general uses including exposed structures, sill plates, decks, docks, ramps and other outdoor applications. Responsibly manufactured from renewable southern yellow pine, this lumber is both safe and environmentally friendly when used as directed in appropriate applications. Treated wood is typically still wet when it's delivered to store or job site. As it dries, you should expect slight changes in width and length. As lumber dries, it may split, cup and warp. This is more likely to occur to occur in lower-grade boards, where knots and uneven grains are already present. Each piece of lumber is unique and carries physical characteristics that may include the following: knots, warping, shrinkage, swelling and/or splitting. Ground Contact treated lumber can be used in both Above Ground and Ground Contact exterior applications