efflorescence, What is that white powder on my basement walls?

What Is That White Powder On My Basement Walls?

Sign of Moisture The white powder that you see on the surface of the brick or concrete wall is efflorescence. It is a sign of moisture invasion that will lead to great structural damage; and inside air quality issue if you don’t approach it seriously.  Although the efflorescence itself is fairly harmless; it’s a sign […]
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