Tile Over Concrete with Cracks


Old 07-12-07, 05:29 PM
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Tile Over Concrete with Cracks

I am getting ready to install tile (already purchased) over an ugly concrete patio with some cracks and a little uneven in some places but not too bad. What can I do to prevent the tiles from cracking as well? Is a special grout needed?
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Old 07-12-07, 06:41 PM
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You will need an isolation membrane.
Old 07-13-07, 03:44 AM
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If this concrete is exterior and subject to moisture and freezing, don't waste your time tiling over it. The tile will pop off after a winter or two. I cannot tell you how many jobs we've torn out where people said their contractor used frost proof tile and mortar. It did absolutely no good.
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