Do building standards address efflorescence prevention?

Efflorescence is caused by vapor migrating through the slab bringing soluble salts to the surface of the concrete. Efflorescence is normally worn off or washed ... What is efflorescence · Is efflorescence bad in a basement · What causes excessive moisture in a house · How to fix efflorescence in crawl space or basement. This technical bulletin addresses concerns and questions about the causes, prevention and treatment of efflorescence and mineral film discoloration on. What Causes Efflorescence? · 1. Water Water plays a central role in the efflorescence process. · 2. Porous Materials Efflorescence is most common in porous ... Efflorescence is caused by the migration of soluble salts within porous building materials to the surface where they react with water and air to form a white, ... Three factors must be present wherever efflorescence appears: Natural salts and salt-forming chemicals may be found in the sand or gravel used to make concrete ... Jul 5, 2019 ... Efflorescence can move deeper into the substrate, causing something known as subflorescence. This occurs when salt deposits are left in ... Hydrostatic pressure can cause spalling, but spalling can also be caused by freeze-thaw cycles in building materials that have a high moisture content. Both ... Mar 3, 2016 ... Efflorescence is simply salt and can be easily removed with efflorescence removers and other cleaning techniques. sources of soluble salts and moisture. Conditions necessary to cause efflorescence to appear are presented, along with design recommendations and practices that ...