Or maybe a plumbing leak has developed. High moisture levels in the concrete could also be hidden by the old flooring system. Older flooring adhesives and sealants were typically more moisture ...

The placement of a water vapor retarder directly below concrete floor ... gases and high humidity caused by ground water vapor moving inside the building envelope (the migration of moisture ...

Let's walk through prepping, painting, and sealing the surface. Gathering necessary materials isn't that tough. You get some ...