Ca. Portable Dance Floor Co.’s NEW 24’ diameter round floor was installed by PBG Events in N.Y. Hall of Science, Queens, N.Y. Turn your CPDFC square floor into a 24’ diameter round or an oval dance floor in our composite laminate style. Having a portable dance floor gives you options. You can move your floor, change the shape, add to the size or make it smaller as your needs change. Reliability and quality since 1956.