Problem Solving Forum
March 21 - March 27, 2011
How can you determine the moisture content of a concrete block (CMU) wall, and how can you judge when the moisture level is sufficiently low to paint?
Nancy Godfrey of Exteriors International on
March 28, 2011:
Best and most accurate way is to use a moisture me ...read more Best and most accurate way is to use a moisture meter. They come in a variety of prices and can be found at any paint store or good hardware store. Judging if the moisture level is sufficient for your coating will depend on the coating. You'd need to either check the label on the can/bucket or the technical data sheet for the product to see what the manufacturer recommends.