Tiling over heated concrete floors


Old 11-20-02, 07:22 AM
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Tiling over heated concrete floors

I am tiling over heated concrete floors (hot water lines imbedded in the concrete). Is there anything specific I need to be concerned with to put ceramic tile over this surface?
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Old 11-20-02, 07:20 PM
Join Date: May 2001
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Yes..You need to be concerned about expansion and contraction...the tile and the concerte don't always do these at the same rates, so you may get some cracked tile or joints. A crack isolation membrane is a good way to go here..probably the best one over heated floors is Schluter Ditra.

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