Cement floor for tiling

Old 04-25-08, 05:51 PM
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Cement floor for tiling

I took off 30 year old ceramic tiles off in my small bathroom without a bath tub in it. It has a cement floor. I am going to use a pre mixed thinset for my new porcelin tiles. To test if the cement has anything on it I poured a small puddle of water on it and the water did not absorb it the floor. Instead it just stayed as a puddle. Will this be problem when I put in my tiles?
Old 04-25-08, 07:23 PM
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Do not used "pre-mixed" thinset. A $14, 50lb bag onf modified thinset is MUCH better and cheaper then that stuff in a bucket.

If you had 30 yr old ceramic tile on before, the slab is probably good enough for your new tile.

I will move this thread to the flooring forum.

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