[jyl]

My son has developed a technique. He saws the grout lines then drives a chisel between the tiles, and is able to take each square out intact. Not that we care if the tiles and backer are intact, but not leaving crumbled backer adhered to the plywood will, we think, make it easier to find the fasteners holding down the plywood. We want to leave the original T&G in place to assess if it can be sanded and salvaged. That would save me some money, if so. The dust accumulation on everything is incredible. c