Laminate over poorly installed tile....

Old 07-26-13, 02:45 AM
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Laminate over poorly installed tile....

I want to install Traffic Master Allure laminate tile floor over a poorly installed ceramic floor. My problem is how to fix the ceramic tiles from shifting and the grout from breaking into pieces. I have regrout several time throughout the years, but problem continues and is spreading. Concern that the problem will continue under the new laminate floor. Suggestions needed.
Old 07-26-13, 04:47 AM
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It's not the tiles that need fixing, it's anything below the tiles that is flexing.
Undersized joist that need to be beefed up, over spanned joist that need a beam run down the middle to stop them from sagging.
Someone could have laid them over the wrong subflooring and or underlayment.
Tile can not just be laid down over just anything.
No particle board, no 1/4 anything, should not be laid directly over plywood.
Why not just remove the old tile then lay the new flooring?
Old 07-26-13, 10:32 AM
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I would remove the tile as well.

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