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air pockets in the mortar when settong tile behind the tile


Posted by D Dean on October 25th, 2000 08:29 PM

0 of 1 people found this post helpful

I'm in middle of having an inground pool constructed. So
far, things have been going well. Currently the tile is
being installed. I have noticed that many of the tiles
sound hollow when you tap on them. Is this normal?

I know it is usually caused by air pockets in the mortar
behind the tile (i.e. they didn't apply enough mortar when
setting the tile). In floor tile, this is a major issue
because the tiles could eventually crack with use. What
about pool tiles? (I know no one should be walking on
them, :-) I'm concerned about them cracking from expansion
or falling off) If it is a problem, I want to see about
having them fixed before construction continues.

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