EMCB1 Ergo Matta Closed The Ergo Matta Tile Systems allow for a multitude of uses such as, service counters, locker rooms & showers. Each tile is 10" x 20" x 9/16" and can be configured to any size area. The tiles offer excellent ergonomic benefits, and the open and closed tiles are designed to interlock securely with each other. Ergo Mattas contain an anti-microbial to combat fungal growth. Safety edge ramps are available for easy entry onto the flooring surface.