Construction Performance Guidelines
EFFLORESCENCE (TYPICALLY A WHITE POWDERY FILM) IS PRESENT ON CONCRETE OR MASONRY FOUNDATION SURFACES
Efflorescence can occur on concrete and masonry foundation surfaces.
The builder is not required to take any action.
Efflorescence is the formation of a typically white crystalline deposit on the surface of concrete or masonry foundation surfaces when moisture evaporates from the surface. Efflorescence can be removed using a stiff bristle brush and water. See Also: 4.17 EFFLORESCENCE (TYPICALLY A WHITE POWDERY FILM) IS PRESENT ON MASONRY EXTERIOR FINISHES