It can be quite frustrating when that white, chalky substance known as efflorescence or "new building bloom" shows up on your freshly poured surface. Luckily, efflorescence can be treated and removed, ...

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 ...

Wood was, and is still, one of the most common materials connected to human civilization. However, as an organic material, wood is vulnerable to both blaze and biological degradation. Hence, during ...

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, ...

The white powdery crust on outdoor concrete has a name — efflorescence — and it forms when water carries dissolved salts to the surface and evaporates. Even well-poured, high-quality concrete can ...

That’s why such salty efflorescence primarily appears in rural areas in older buildings, initially in the basement. Long ago, livestock might have been kept there, or manure used as fertilizer. Both ...

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 ...

A powdery substance called efflorescence will sometimes appear on stone, concrete or tile surfaces. This shows up as irregular, whitish blotches and is especially frequent around joints and grout ...

In 2015, five years after opening the exhibition Infinity of Nations: Art and History in the Collection of the National Museum of the American Indian at the Smithsonian’s National Museum of the ...