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-   -   Crack in grout near the ceiling......a more serious issue? (http://www.diychatroom.com/f80/crack-grout-near-ceiling-more-serious-issue-60542/)

HautingLu 12-29-2009 11:34 AM

Crack in grout near the ceiling......a more serious issue?
 
I'm trying to figure out if I should worry about this or if might be typical (or even acceptable).

This bathroom was gutted and had a corner shower put in with a vinyl pan. These pictures are of the ceiling area. 1/2" Hardie is behind the tile. Flexabond thinset was used. Redguard was used in the shower area, starting 12in from the ceiling.

Only things I can think of is the temperature. It's upstairs and not currently being used, so it stays in the 60* range, or less. The other is that the right corner wall is against a chimney, but it doesn't get hot, plus there is an air space between the chimney and Hardie from the furring strips.

I can live it that for now, I'm just hoping it's not a more serious issue. Should this be re-grouted? I have caulking that matches the grout. Should that be used? Thanks.

http://imgur.com/Bp3WV.jpg
http://imgur.com/1hv8X.jpg
http://imgur.com/ULUEy.jpg
http://imgur.com/gUEBJ.jpg

Bob Mariani 12-29-2009 11:37 AM

Caulking should be used. The grout will always crack along materials that expand and contract differently.

HautingLu 12-29-2009 11:41 AM

Quote:

Originally Posted by Bob Mariani (Post 373472)
Caulking should be used. The grout will always crack along materials that expand and contract differently.

That's reassuring.......I was starting to get worried (though the 2nd bathroom with a similar layout shows no signs of any cracks).

Like I said, I haven't used the shower yet (no curtain). Should I though, to wet the grout and such?

Thanks.


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