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Old 09-15-2011, 07:09 PM   #1
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Slate Layers separated

I have just completed laying slate tiles in my sunroom. I used 2 different sized tiles, 16x16 and 4x4... when cleaning up the grout joints before grouting I had a couple of the 4x4 tiles where the top layers separated from the bottom... I thought I eliminated the tiles that didn't appear solid or looked like they would flake off in layers... The issue is that in 2 cases it was 1/2 the thickness of the tile that came off... Can I simply use thin-set to lay the top part of the tile back in place or will it not stick together? If not thin-set then what should I use? Or do I have to chip out those tiles and completely replace them? Thanks in advance for any advice.


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Old 09-15-2011, 07:16 PM   #2
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Best bet is to replace the slate tiles---sorry---


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Old 09-15-2011, 07:23 PM   #3
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I would say just use some construction adhesive and glue the top back on the tile assuming your sunroom is actually an indoor space.

You can expect more of the same when you move furniture around and the seasons changes. That would be typical of that type of product. Apparently you bought some slate-Du-jour from a big box diss-count store?
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Old 09-16-2011, 06:53 AM   #4
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Yes it is an indoor space and yes the tile was not too expensive... It wasn't cheap either but certainly not the best stuff out there. It was from China also and I understand that slate is softer. Not sur eif that has anything to do with it... It only happened with the 4x4 tiles... the big ones seem fine. Let's hope it is limited. The floor is heated and if seasons changing and that type of expansion and contraction is going to cause issues with layers separating I am in trouble...
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