Causes: - Excessive mositure - Inadequate venting of interior moisture laden areas - The PH level is too high - The lack of curing time - Excessive lime in concrete mix - Soluble salts in masonry when dissolved by water appear on the surface as crystallized salts Solutions: - Requires the elimination of moisture - Remove all loose paint and other particles with a wire or stiff brush before repainting - Fill in cracks with a masonry patching compound - Repair any leaks or other moisture sources |