Stonres RTZ-2, seamless, nonporous urethane flooring from Stonhard, is available in 12 new colors using four base resins, along with three translucent chip colors (lucent, ebony, and marble), which can be combined to create a wide variety of contemporary designs. Ideal for operating rooms, patient rooms, corridors, cafeterias, and lobbies, the flooring is ergonomic, stain resistant, and easy to clean.