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-   -   Popping tiles (http://www.houserepairtalk.com/f13/popping-tiles-16147/)

cb104 06-19-2013 12:02 AM

Popping tiles
 
I have porcelin tile in my bathroom. Two of the tiles make a popping noise when you step on the top edge of them. They are laid in a diamond pattern and the two that pop are beside of each other. Suggestions?

CallMeVilla 06-19-2013 08:16 AM

The floor is flexing or the tiles never got properly adhered. There are tile experts on this forum, but I suspect the solution would be to remove the grout and the tiles, clean up the old thinset, then re-lay replacement tiles.

However, if the floor is flexing, this problem could reoccur. Basic Principle: rigid tile does poorly on a flexible underlayment. That is why we use Hardie Board on the floor to stiffen it.

WindowsonWashington 06-19-2013 06:09 PM

Whats the structure like? Is there a basement or visible ceiling from underneath?

samfloor 06-20-2013 12:28 PM

Quote:

Originally Posted by CallMeVilla (Post 88478)
The floor is flexing or the tiles never got properly adhered. There are tile experts on this forum, but I suspect the solution would be to remove the grout and the tiles, clean up the old thinset, then re-lay replacement tiles.

However, if the floor is flexing, this problem could reoccur. Basic Principle: rigid tile does poorly on a flexible underlayment. That is why we use Hardie Board on the floor to stiffen it.

CBU adds no structural strength at all.

cb104 06-23-2013 11:37 PM

It's laid on backer board which is laid on a subfloor underneath that. I can post a pic. It's a crawlspace underneath the floor.

nealtw 06-24-2013 12:28 AM

When looking at the joists, check the size 2x8s, 2x10, or what? distance apart 14 1/2", 22 1/2" ot what and how long are they. Then you want to look for noticable damage, big knot with carcks extentending to the bottom or top, notches cut out of the joists for plumbing, holes drilled for wiring really close to the bottum edge of the joists.

WindowsonWashington 06-24-2013 04:49 AM

Quote:

Originally Posted by cb104 (Post 88594)
It's laid on backer board which is laid on a subfloor underneath that. I can post a pic. It's a crawlspace underneath the floor.

Are the tiles popping only with movement or were they seasonal?

If seasonal, you could have an moisture issue that is contributing the the framing instability.

Quote:

Originally Posted by nealtw (Post 88596)
When looking at the joists, check the size 2x8s, 2x10, or what? distance apart 14 1/2", 22 1/2" ot what and how long are they. Then you want to look for noticable damage, big knot with carcks extentending to the bottom or top, notches cut out of the joists for plumbing, holes drilled for wiring really close to the bottum edge of the joists.

+1

Post up a picture of the crawl.

cb104 07-30-2013 11:03 PM

Ok. I'll post a pic soon. And no, not seasonal, only when I step on them a certain way. To start with two specific tiles popped. Now, one of the original two have stopped popping when stepped on and a separate one has started popping when stepped on which is in a completely different place

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isola96 08-07-2013 10:40 AM

This is probably as simple as cement board not installed correctly, missing screws mesh taped seams, is there thinset under cement board lets hope because most of the time popping sounds are when it is not placed in thinset. I didn't read grout cracking as 99% of grout crack is from movement.


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