Q We have efflorescence on the garage floor. It's in a pattern across the floor to the left and right of minor cracks. We hired a painter, who cleaned and power-washed the floor, treated it with ...

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 ...

This article was published 09/02/2013 (4604 days ago), so information in it may no longer be current. QUESTION: My concrete garage floor has a white, powder-like residue all over it. It is especially ...

Dear Ken: We have a white, powdery substance on our garage floor. We clean it off, but it comes back. How do we get rid of it? - James Answer: This phenomenon is called efflorescence. Water traveling ...