On cool and damp days, many homeowners worry about mold. When it pours and storms outside, windows often remain closed to avoid letting in moisture. Anxious eyes scan every visible spot on the wall.

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, ...

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 ...

Q. We are currently in the process of renovating the basement due to a sewage backup last October. The house is a Cape Cod built in 1943. The foundation is 4 feet 5 inches concrete and 3 feet of 2 ...

Q: Three years ago, we bought a house with a backyard brick berm and fishpond that are probably around 20 years old. We also have a brick wall surrounding our entire backyard. Mineral stains have ...

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