The white fuzzy stuff you see along the inside and outside of your basement wall is efflorescence.
Efflorescence on basement walls.
How to remove efflorescence from basement walls step 1.
Efflorescence can look similar to mold but when touched the crystals crumble into a fine powder.
Efflorescence on walls is a sign of excessive water in your basement.
Efflorescence is a white powdery film or dusty residue that shows up on masonry surfaces on the inside or outside of a house.
To deal with it you have to first identify the source of water leakage.
The masonry used to build basement walls and floors contains natural minerals like clay and limestone.
Fill a bucket with warm water.
Don t worry this annoying build up isn t hazardous.
Efflorescence is simply salt and can be easily removed with efflorescence removers and other cleaning techniques.
It s usually found on the concrete blocks in basements but can be found many other places.
Scrub the section of the basement wall briskly.
Cover the floor and furniture in the basement with plastic sheeting.
Use a large sponge to thoroughly wet down the efflorescence spots on the walls.
Brick and cement are porous so some moisture is naturally moving through them at all times unless special sealants are applied.
Efflorescence forms on basement walls and floors because moisture is traveling through them and is carrying dissolved minerals to the surface.