Just so, what causes efflorescence on basement floor?
Efflorescence. Efflorescence is actually a harmless crystallized mineral salt that has formed on your basement walls over time. Efflorescence forms as moisture passes through the porous concrete of your basement walls. As the moisture evaporates into the air, it leaves these minerals behind.
Subsequently, question is, how do you treat efflorescence in concrete? Efflorescence and alkali salts can be removed by dry brushing with a stiff bristled brush followed by wet sponging the surface with a mild 5% solution of white vinegar (Acetic Acid) in water. The whole area should then be wiped down with a damp cloth and allowed to dry thoroughly.
Also to know, what is the white stuff on my basement floor?
The white stuff on basement wall is a residue left from water called efflorescence. It indicates that water has evaporated from the concrete. Efflorescence is proof that water was in the basement. Many of us have come across this strange phenomenon; a white powdery substance comes out of the concrete foundation.
Is efflorescence a sign of damp?
Efflorescence is a white salt deposit which can be seen on brickwork and masonry, often appearing as a stain on the wall. However, if you spot any signs of efflorescence, this is a sign that there is a larger underlying issue with damp within the building, so you will do well to seek a professional opinion.