Features: 1) Structure: one- by three-foot (nominal) planks, consisting of three layers a) The Features: 1) Structure: one- by three-foot (nominal) planks, consisting of three layers a) The surface layer is 100% high density cork, with 5 coats of UV-cured acrylicfinish which contains no volatile organic compounds b) The middle layer with pre-cut tongue and groove featuring CLIC technologyis high ...