Sweating Slab Should I Resurface? - Concrete, Stone & Masonry - DIY Chatroom Home Improvement Forum

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Old 06-15-2014, 08:00 AM   #1
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Sweating Slab should I resurface?

I have an elevated beach house that has a concrete slab under the house. The slab has what looks like a shiny coating on it, like some sort of sealer. When it is very humid (which is always during the summer in eastern NC) the slab gets wet and the the coating makes it very slippery. I notice that my neighbor's slab has more of a normal look and feel of concrete and when mine is wet, theirs is dry so I assume it is the coating that is causing mine to be wet.

I was at Home Depot yesterday and I saw that they rent what looks like a floor buffer that basically takes the finish off of concrete. I'm wondering if that will work in my situation. My questions are:

1. Does it sound like this coating is causing my sweating problem?
2. It is advisable to use the buffer and remove the coating?
3. If I do remove the coating should I reseal and if so with what type of sealer so this doesn't happen again.



diverdave is offline   Reply With Quote
Old 06-15-2014, 04:01 PM   #2
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they've got 2 ' wheels ' that fit on a lo-rpm buffer,,, get the 1 w/diamond-tipped fingers & run it wet ( wtr on the conc ),,, run it dry & you'll buy it,,, once you get what sealer off that you can, don't reseal



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