My condo is on the bottom floor. I'm changing the carpet into hardwood flooring. I have a concrete slab under the carpet. I was wondering if it would be a good idea to put some type of concrete sealer before putting on the engineered hardwood flooring and underlayment? Or is the underlayment enough to stop the moisture?

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logo Would it be a good idea to put a concrete sealer on the concrete slab before putting on the hardwood flooring?
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