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Re: Effect of salt water on masonry walls

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Does the flaking consist of deterioration 1/4" to 1/2" into the concrete masonry units or deposits on the wall surface to that thickness?  Salts that have entered the wall dissolved in water can show up on the surface as salt crystals, called efflorescence, left behind as the moisture leaves the wall and evaporates.
Nels Roselund
Structural Engineer
South San Gabriel, CA