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, ...

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 the white powdery substance you might notice on basement walls, concrete surfaces, or masonry materials. It forms when water moves through a porous material like concrete or brick, ...

That chalky white powder isn't damage — but it might be telling you something important.

Does your basement have white, fuzzy stuff showing up on masonry walls or floor? Does paint peel off in certain areas of ...