what is rising dampness
Rising damp is the common term for the slow upward movement of water in the lower sections of walls and other ground-supported structures by capillary action. Although rising damp of up to 5 metres in height has been observed the height of rise is typically much lower and is rarely above 1.5m.Rising damp has been a widely observed phenomenon for at least two hundred years.lthough rising damp of up to 5 metres in height has been observed the height of rise is typically much lower and is rarely above 1.5m. Rising damp has been a widely observed phenomenon for at least two hundred years.