Don safety goggles, dust mask and gloves.
Place a cold chisel over the center of any tile on the floor. Hit the cold chisel with a heavy weight hammer to break the tile. Break out four to six tiles in this manner.
Place a heavyweight coal shovel at the edge of the broken tile, and forcefully push the shovel to lift and remove the surrounding tiles and wire mesh.
Scrape thin-set adhesive off the concrete with a wire brush or grinder, or use a heat gun to heat the adhesive and then scrape it off.
Hit the concrete forcefully with a sledgehammer to break it up and remove it. Continue until all concrete is gone.
Wear safety goggles, dust mask and gloves.
Chip away at the tile and concrete with an electric or gas-powered chipping hammer, which is a small version of a jackhammer.
Remove debris from the floor as tile and concrete becomes loose and movable.
Continue to chip the floor away until you expose the sub-floor.