Most bar moldings fit over a bar top made from two layers of 3/4-in.-thick material. The lower layer is usually plywood. The top layer can be plywood, solid wood, hardwood flooring, or even tile or stone. You won&#39;t find bar molding at home centers or lumberyards, but there are dozens of suppliers online. Find tips for working with bar molding at  http://www.familyhandyman.com/DIY-Projects/Woodworking/Woodworking-Projects/how-to-build-a-bar