Appearance of white dust or snow on the painted surface or whitewash that seems to “run” on the wall in the form of a waterfall. POSSIBLE CAUSES Plaster, brick and concrete salts are transported to the outer surface of the…
Appearance of white dust or snow on the painted surface or whitewash that seems to “run” on the wall in the form of a waterfall. POSSIBLE CAUSES Plaster, brick and concrete salts are transported to the outer surface of the…