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Unread 07-06-2016, 01:25 PM   #1
matt1
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hairline cracks in new tiles

these tiles were installed about 2 months ago over 5/8 durock, seams correctly taped and skimmed.
we used laticrete 9235 waterproofing, and laticrete 254 thinset.
note: the bathrooms were framed with 25 gauge metal studs.

a few weeks ago they started to crack.
the cracks are only in the glaze.
of the 3 walls, there are cracks on 2.
any thoughts on why this is happening?

Thanks
Matt
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Unread 07-06-2016, 03:27 PM   #2
cx
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The minimum requirement for metal studs behind tile backing is 20 gauge, Matt, and the maximum spacing is 16 inches on center. Your studs are too light, but we can't see the spacing.

I can't really see your cracking in the photos, but it could also be poor quality tiles if it's just cracking in the glaze.

My opinion; worth price charged.
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Unread 07-06-2016, 06:23 PM   #3
Davy
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There's a bunch of cracks, if that's what I'm seeing. What brand are these tiles and where did you buy them?
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Unread 07-06-2016, 08:52 PM   #4
Jaz
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That's called 'crazing'. The bisque and glaze are shrinking and expanding at different rates. It's not necessarily cheap tiles. The industry used to consider it a phenomenon.

I've seen it with high end ceramic from the '70's and others that were made to look that way on purpose. Not sure how they made the tiles craze. You see it alot with some Mexican tiles.

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