I've installed engineered hardwood when the sensors read 85% and had not problem at all. That concrete was so dry it would suck the spit off your tongue. I didn't even use a trowel on vapor retarder. Ask me why.
99% RH in concrete slab
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RE: 99% RH in concrete slab - Ernesto - 02-14-2011, 08:37 PM
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