When tile and grout steam cleaning no longer works to restore clean grout lines, regrouting might be the next step. Regrouting is an important part of any tile restoration project.” — Jacquelyn S., ...

Q. I hired a contractor to acid wash, regrout and seal my bathroom tile. He did not remove the old grout – merely sponged over a new grout coating. He says this is standard operating procedure, as we ...