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, ...

CHRYSO® Alpha Color 600, available from CHRYSO Southern Africa, prevents efflorescence on concrete while simultaneously giving a durable water repellent property to concrete Preventing efflorescence ...

Q. Our home is 12 years old. Almost from the start the basement floor started getting black blotches which just got larger and larger. In the center it begins to get white and chalky. I have had ...

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 ...

DEAR TIM: There are white deposits on my chimney, on the face of a retaining wall and on my paver patio. I sometimes see these white crystals near cracks in my basement walls. I’ve tried washing them ...