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.Click to see full answer. Just so, how do you remove efflorescence from basement walls?Fill a bucket with undiluted white vinegar if the efflorescence remains. Fill a separate bucket with warm water. Use a plastic-bristled scrub brush to scrub 3-square-foot sections of the walls with the vinegar. Rinse each section with a sponge and plenty of clean water.Furthermore, is efflorescence dangerous to health? Generally, efflorescence isn’t harmful to your health. However, if it’s showing up in your home, it could indicate that you’ve got a greater problem related to water and the way it moves through your home. If it’s moving in unintended ways, it could be getting places it shouldn’t. Correspondingly, is efflorescence in basement a problem? Efflorescence is a common problem in concrete and masonry block foundations. The white fuzzy stuff you see along the inside and outside of your basement wall is efflorescence. As water evaporates from the surface of the unit the mineral deposits are left behind, thus efflorescence crystals can grow.What is the white stuff on my stone wall?Efflorescence is a white, chalky substance that may appear on the surface of natural stone, clay brick, concrete pavers or any other porous building material. Naturally-occurring salts found in soil, water, sand, gravel and cement are dissolved by rain and groundwater.
