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Old 02-13-2020, 10:14 AM
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dkaufnelson dkaufnelson is offline
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I had this problem in my home when I lived in Deland Florida. Home Depot and I imagine Lowe's sell a concrete sealer that comes in a gallon size just like a gallon of paint. Just make sure to dry out the whole floor with a fan for a few days then put the concrete sealer all over the floor and do two or three coats wherever you find any cracks. When you put down new flooring make sure you put flooring that has a moisture barrier or just buy a roll of moisture barrier to go under the new flooring. Builders don't usually seal the concrete floors which they should do here in Florida as all concrete will absorb moisture and often will develop cracks. Putting a good sealing compound on cement floors is strongly advised in Florida.