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, ...

Efflorescence is a white material that appears on brick as a powdery mass of mineral. Efflorescence occurs when moisture ...

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, ...

I routinely presume that people know all about efflorescence, but in fact many don’t understand it at all. I’m referring to the fluffy white deposits you might find on your concrete floors, brick ...