Efflorescence

What is it?

It is the process of deposition of white crystalline or brown green or yellow crystalline substance on the surface of plastered surface.

Causes?

It may be caused due to the presence of various salts in the building materials such as bricks, sands, etc.

Remedy?

Dry brushing the efflorescented surface will help in further spreading.

Avoid using water as it might take the salt inside pores.

Applying Bitumen Course above the ground level will prevent the further rise of salt because of capillary action

Mixing 1 part of HCL or H2SO4 to 5 parts of water and applying on the surface and then scrubbing it will help in further increase. After the procedure, wash, clean and dry the surface.