Grout

[skipsleather]

I am putting tile in my kitchen and have grouted the tile but I find that in some areas the grout continues to crack even after regrouting that area. What am I doing wrong?

[Rehabber]

How wide is the space? Are you using sanded or unsanded grout? How thick is the consistency of the grout?

[interalian]

There's a remodel forum, but:

1) is your subfloor strong? If not and the tiles move, the grout will crack
2) how wide are the grout lines? Wider lines need sanded grout.

HTH,
AD

[cwhyu2]

Is this on the floor or counter top?

[jadnashua]

Cracks mean movement. Could be from numerous sources: subfloor too thin, improper thinset, no decoupling layer (cbu or membrane, or really expensive flexible thinset), joists too springy, you used mastic rather than thinset (bucket pre-mixed verses powder you mixed up), not enough coverage, you walked on the tile too soon after setting, etc.

A good place for tile info is www.johnbridge.com (http://www.johnbridge.com). They eat, drink, and sleep tile there.

[construct30]

This should be in the remodel forum not plumbing, but I would guess bad backing, the tile is only as good as what is behind it and the glue you used. Corners will always crack and must be caulked.