Porcelain floor tiles coming loose

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dc, they're not loose, yet. Gul has just tapped a few and they sound hollow. I guess we'll have to wait and see what his tiler says.
 
dc, they're not loose, yet. Gul has just tapped a few and they sound hollow. I guess we'll have to wait and see what his tiler says.

😳 slightly mis-red!

did the tiler spread the adhesive on th floor or each tile individually?
 
Thats a large area and no room for expansion with a 2mm joint. Did he use a flexible grout?
 
The tiler has come round to take a look. Interestingly the bulk of the tile appears to be firm, just the corners on a few and a few abutting corners. Looks like to adhesive has set firm to the concrete floor but not too well to the tile. The tile I have looked at is pretty clean, so we're a bit puzzled.

My tiler suggests that we clean out the grout of the loose coner and force adhesive or grout down as a first option, to see if we can secure the loose corner.

Anything has got to be worth a try. MY worry is whether the secured tiles eventually come loose.

Do you think that if they are stuck now, there's no reason to think they will come loose later ?
 
Adhesive was combed on with a serated trowel. The tiler has used expansion joints using a mastic, every 3 metres.
 
Is the adhesive still in a combed effect on the floor or totally flat under the tiles.?
 
what's a decoupling mat ?
This is the decoupling mat i use and this is a quote from their tech.



PCI Pecilastic is a separation layer suitable for use under ceramic and natural stone tiles. It is suitable for indoor and outdoor use on all sound and cracked substrates and for use with underfloor heating systems. The PCI Pecilastic layer enables the substrate beneath to move laterally which means the tile above is protected from the detrimental affects, which sub floor movement, can cause. A solid bed can also be achieved due to the flat nature of the membrane eliminating the problems associated with point loading as long as the appropriate tile is selected.
 
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Porcelain floor tiles coming loose
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Best Floor Tiles
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Created
Gul,
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WetSaw,
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Created
Gul,
Last reply from
WetSaw,
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35
Views
26,525

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