I just recently had my tub surround and bathroom floor retiled. The contractor used grout on all seams including at the tub and 90 degree joints. Now I read that these joints should be caulked to allow for expansion. To compound my confusion, the tile supplier says that I should caulk over the grout in those joints.
Who should I believe? Am I going to have to tear out all that grout and caulk? Will caulking over it work? Or did the contractor do right by me? Please don't give me a fourth option or my head might explode!