The solid Castillian Collection, available in maple and oak, offers four selections in 5-inch widths. The surface textures include smooth and wire-brushed options. This collection is protected by Mullican's Alpha A'Lumina Real World Finish and carries a 25-year warranty. When used together with Mullican's patented Aqua Shield system, the Castillian Collection provides a lifetime moisture warranty. This revolutionary system includes the application of the Mullican Moisture Mat, the company's own moisture-retardant underlayment, along with the installation of a Castillian product. When used together, this method allows the bottom of the wood to expand if exposed to moisture, with little to no effect on the floor's surface.