Cement slab moisture problem (Florida)

JohnFTApril 19, 2011

I bought a 1980 condo last year and had to move in quickly, so I wasn't able to remodel beforehand. I finished laying some nice bamboo upstairs about 6 months ago and it is holding up very well. Now that it's warm again I've been wanting to finish downstairs. After ripping up the existing carpet(no mold underneath), I've noticed that the slab underneath weeps a lot, but only where I have something sitting on it, like underneath plastic buckets, or a litter pan. It only take a couple of hours and there will be moisture there. I have purchased 2 calcium chloride tests, but it's painfully obvious that I don't need to use them.

I would like to lay my glue down bamboo downstairs as well, and some tile, however I know both will be ruined in short time. Does anyone know how to go about rectifying the moisture problem? Since I am in a condo, I won't be able to do external drainage systems. I had thought I could paint over it with redguard or something, but I've read that will not help considering the moisture is coming from below the floor. I'd like to DIY this, but who would I call if I decided to have it done professionally? Just looking for a cost effective way to keep the water out.

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jerzeegirl

Could the weeping be condensation and not a wet floor. If the floor was wet, wouldn't the carpet you pulled up be kind of moldy and damp?

Have you tried the moisture test? You take a piece of polypropylene plastic and tape in down with tape so it is well sealed. You leave it for at least 24-48 hours. You can google "moisture teat on concrete slab" for further details.

    Bookmark   April 24, 2011 at 7:40PM
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frankmilea_bellsouth_net

I am sure I can help you determine wether or not you can lay this bamboo.And if so how you need to lay it..
My name is Frank Milea you can reach me at 733-7703

Here is a link that might be useful: Quality Flooring by Frank Milea

    Bookmark   July 12, 2011 at 4:07PM
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