[Ar.Prasoon Bansal]

The excess entry or penetration of moisture inside a building through its Floors Walls and Roofs is called Dampness.
Dampness is dangerous both for Inmates and Building. Dampness in buildings is a risk factor for health effects.
Types of Dampness

Based on the movement of moisture the dampness can be of the following three types:
Rising or capillary dampness.
Falling or penetrating dampness.
Condensation dampness.

Some Definitions

Peeling off
This term is related to plaster and it means that the plaster surface get disfigured.

Blistered
These term are related to Painting.

DPC (Damp proof course)
It is a continuous layer of impervious material between source of dampness and building component.