Finish carpentry is the last step in the carpentry process. It involves the installation of finish woods and trim made of plastic or molded polyurethane. Finish carpenters perform tasks such as installing crown molding, baseboards, windows, stairs, cabinets and other features of a building that requires aesthetic appeal. To become proficient in finish carpentry, it takes years of practice, learning a wide range of woodworking tools. from crown moldings to custom built-ins DS is your one stop shop for finish carpentry .