Castillian Estate by Mullican features precisely engineered European White Oak hardwoods in four different color selections. With 9/16″ x 7.5″ planks and a three mm wear layer, these floors are made to last. The boards are covered by an Aluminum Oxide finish with a 50 year finish warranty. These hardwoods showcase wire brushed surface textures and beveled ends and edges. These floors can be floated, glued, or stapled at any grade.