Only available in red oak, the Newtown Plank Collection is an engineered flooring offered in five colors, including natural, gunstock, saddle, bridle and granite. Developed specifically for residential builders, the collection is offered in 3- and 5-inch widths. Manufactured in the United States, the Newtown Plank Collection carries Mullican's Alpha A'Lumina finish, which as a 25-year warranty. The Alpha A'Lumina finish is a third-generation aluminum oxide finish with a subtle satin look.