LITTLE KNOWN FACTS ABOUT UNQUALIFIED DAMP PROOFING.

Xypex balked at Peter’s take a look at process, arguing that CMU blocks differ too much in composition to allow a trustworthy seal. There is not enough calcium hydroxide from the CMUs to permit The expansion of crystals, so they suggested Peter make it possible for a further two months for the material to get rid of in advance of he went in advan