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–The grout in my tub and shower area is a mess. It is difficult to keep clean and has actually crumbled in places. Is it possible to regrout over the existing grout? Or, do I have to remove the ...