A dependable, ergonomic floor that will withstand heavy use. The patented LockSafe Positive Interlocking System delivers secure connections. Perfect for lean manufacturing, tiles can be unlocked and repositioned as work centers change to fit customer needs. ErgoDeck Heavy Duty is the best choice in areas with heavy cart and foot traffic. The firmer compound lets carts roll over the tiles with ease. Meanwhile, the underside box-spring design provides structural support and impact absorption for health and productivity, even in multi-shift operations. Overall thickness 7/8". Standing relief in wet or dry applications. Customize in 3" increments to fit any area or configuration. Positive Interlocking System prevents separation. Drainage version.