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 | | | | DEFINITION
White deposits that appear on concrete, brick, block, stucco, mortar and other
masonry surfaces. In addition to creating an unattractive appearance, deposits can grow and will cause adhesion problems if not properly removed before repainting.
PROGRESSION
Efflorescence is actually deposits of soluble salts which are present in all concrete materials and carried to the surface by moisture. Each time the masonry surface is exposed to moisture, these salts are activated and leach to the surface.
CAUSES
- Failure to properly prepare the surface by removing all previous salt deposits.
- Excess moisture escaping through exterior masonry walls from the inside.
- Painting masonry surfaces before they are fully cured.
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