The coating was Coval Polished Concrete Sealer, formulated to improve upon the typical guards currently available for polished concrete. There were two primary reasons that Statser was excited ...

Similar to basement sealer, this mildew-resistant paint applies ... Try Concrete Resurrection’s cement stain. It applies and acts just like a wood stain, sinking deep into any concrete surface.

However, the dampness creates related problems that can affect your quality of life: Assuming there's no active leakage or standing water, you can apply a waterproofing sealer or an epoxy coating.