What Is Rising Salt Damp?

Salt damp happens when moisture passes through the soil ground and reaches the masonry wall (brick, stone or concrete). This natural process is referred to as 'rising damp. ' It occurs because one of two reasons: There's no damp-proof membrane. The damp proof membrane has been ruptured.

What is the main cause of rising damp?

Rising damp is caused by moisture ascending through capillaries which are found in masonry. Capillaries are thin, lengthy tubes (pores) which are very small within the material. Within masonry, these tubes can often differ considerably in their thickness.

Is salt damp bad for health?

Airborne mold concentrations have the potential to be inhaled and can have health effects. Externally, mortar may crumble and salt stains may appear on the walls. Steel and iron fasteners rust. It may also cause a poor indoor air quality and respiratory illness in occupants.