Shop Appalachian Signature Red Oak Engineered Prestige Natural - Semi Gloss - 4"x1/2" by Appalachian Flooring, a premium engineered hardwood flooring that blends style and durability. Each plank measures 4.00" wide by nan long, with a total thickness of 1/2". It features a top-layer veneer of 2.7mm, showcasing the authentic character of real wood. The surface is finished with nan, offering lasting protection and aesthetic appeal. Designed for easy installation-unknown-this flooring is suitable for a variety of subfloor types. It meets NWFA standards, ensuring quality and environmental responsibility. Each box covers approximately 27.0 sq. ft., making it ideal for both residential and commercial applications. Category: Hardwood. Brand: Appalachian Flooring. SKU: ASROEPC3D3.