Terry...Love your website Have 6'x5' Bathroom Tub at 9PM CI Stack at 1PM Toilet at 2PM Vanity Sink at 3PM (lead drain + H & C supply in 4 1/4"ceramic wall tile House built in 1954...All Lead drains Looking for Safer Alternatives to remove Lead (NO TORCHING) Without touching CI Stack Tore out mosaic tile flooring, concrete and wire lath (used cold chisel, mini sledge hammer and wet towels)...NO Jackhammer took all ...