Efflorescence is when water goes through your wall, the waters minerals leaves discolor on your wall. If you have Efflorescence on a brick wall , it indicates that’s the wall has been in contact with water. This is a sign there is a calcium build up and a drainage system would be needed. If this problem is unaddressed, it could lead to flooding or large leaks in your crawlspace.
In order to fix this problem, you would have to install a water guard. BasementGutter™ is a drainage channel engineered specifically to solve basement water problems effectively without worry of clogging from soil beneath the basement floor. It has large holes in the back to accept water and a flange with special segments to drain water from a basement wall leak.