Efflorescence is a powdery deposit of salts which forms on the surface of bricks and mortar. It is usually white but efflorescence may be yellow, green or brown. Salts enter the wall from various ...

Efflorescence is not a rock band. That’s Evanescence. Efflorescence is the white, chalky substance that appears on concrete, pavers, brick, and stucco. It is residue that is left behind when hard, ...

Q. Efflorescence is mysterious to many. Does it ever stop forming? My brick three-family is about 120 years old and has an exposed brick wall in the back stairwell. I have lived in the house for 45 ...

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, ...

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Q: Tim, I’ve got a mess on my brick home. I live in Houston, Texas, and have a sprinkler system for my lawn. The water sometimes gets sprayed on my brick exterior. White stains appear. I’ve tried ...