Q: I have noticed a white powder around the edges of my concrete walkway. Should I be concerned? A: The white powder is the result of efflorescence, which occurs when a soluble salt, such as earth, ...
The Family Handyman on MSN
How to Handle Efflorescence on Brick Chimneys
Efflorescence is a white material that appears on brick as a powdery mass of mineral. Efflorescence occurs when moisture ...
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