Scrub the section of the basement wall briskly.
Efflorescence on basement walls.
Efflorescence on walls is a sign of excessive water in your basement.
Efflorescence is simply salt and can be easily removed with efflorescence removers and other cleaning techniques.
How to remove efflorescence from basement walls step 1.
Cover the floor and furniture in the basement with plastic sheeting.
Brick and cement are porous so some moisture is naturally moving through them at all times unless special sealants are applied.
The next step should be waterproofing to permanently deal with the problem.
The masonry used to build basement walls and floors contains natural minerals like clay and limestone.
The white fuzzy stuff you see along the inside and outside of your basement wall is efflorescence.
Efflorescence can look similar to mold but when touched the crystals crumble into a fine powder.
Efflorescence is a white powdery film or dusty residue that shows up on masonry surfaces on the inside or outside of a house.
But before we brushed on the sealant we needed to treat the walls by removing the efflorescence the white salt like substance that naturally occurs on all concrete surfaces that are exposed to.
To deal with it you have to first identify the source of water leakage.
Fill a bucket with warm water.
Don t worry this annoying build up isn t hazardous.
Efflorescence forms on basement walls and floors because moisture is traveling through them and is carrying dissolved minerals to the surface.