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I have a 20 year old basement floor which has been painted 3 times. The room is heated with an in floor heating system. The water lines are approx
1" from the top of the cement. I want to install ceramic tiles on this floor, but have been cautioned by a few people saying I must remove the paint first before applying thinset. I have found out that removing the paint is not an easy task. Sandblasting and high pressure washing are out of the question because this room is completely finished.So I am down to sanding or ?? Is it true that the thinset will not adhere to the painted warm cement floor? Any ideas? snipped-for-privacy@rogers.com