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Drying Time for Concrete

by Cathy Brown
(Black Canyon City,Az,)

Q. How long do you have to wait for concrete to dry before installing tile over it?

A. I assume you want the floor to be completely dry before installing tile. How long it takes to dry depends temperature, humidity, air flow, etc. For instance, basement floors usually take longer because they are cool and damp. Concrete is dark when it's wet, so whenever all the dark is completely gone, you should be okay to lay tile.