Plinth protection is required to avoid/ reduce water seeping in the earth reaching the plinth-wall and reaches the floor level by capillary action. Plinth protection reduces direct water entering into the soil close to the plinth wall.
In other word , the area surrounding the building is usually known as the plinth protection. A plinth protection usually is done by pouring an approximate 75 – 100 mm layer of plain cement concrete along the edge of the building.
However, in cases of buildings that are well-finished, the plinth protection can be covered with a layer of paver blocks, gravels or even the surrounding lawn.
Note :- Plinth protection is provided to prevent the extension or propagation of cracks from the foundation into the wall above when the foundation suffers from settlement. If water seepage into the ground .
(2). This causes sudden collapse of the house.