Floor Prep

Old 09-16-05, 07:37 AM
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Floor Prep

I just ripped up the linoleum (sp?) floor in my kitchen and will tile it this weekend. When i took up the floor I noticed that the concrete sub floor seemed wet (slightly). It dried within minutes of being exposed to the air. I dont know if I have a moisture problem or if it was the chemical used when putting it down...but my question is if thin set is a moisture barrior? If not, what should I use. (or do i need one for tile)

btw.. i live in florida

Old 09-16-05, 07:44 AM
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btw... i just read the post regarding the asbestos warning. there was a black residue. guess i shoulda worn a mask....
Old 09-16-05, 03:54 PM
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Any cracks in the slab?, Use a good modified thinset, such as Flexbond from HD for going over cutback adhesive, if this is what is there, try hot water and see if it softens up and scrape it, don't sand it.

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