The most classic of all hardwoods, American Oak is known for its warmth and character. Quality engineered with a cross-grain construction for maximum strength and dimensional stability compared to solid wood flooring. Featuring Quantum Guard HP an 8-Step finish with aluminum oxide particles suspended in urethane and UV cured. Limited 5 Year Quantum Guard HP Finish Warranty. Precision engineered UltaFit Tongue and Groove System ensures a consistent uniform fit and easy installation. Can be installed on, above or below grade. Wood moldings are available to blend and enhance the floors appearance. The American Hardwoods Collection meets the FSC controlled woods standard. A pure FSC option is available for large projects. American Oak is available in 3" and 5" widths, 1/2" and 3/8" thickness, with a matte finish, and a micro-beveled edge.