Rising damp is water from the soil that gradually moves upward through microcapillaries of the construction material into walls. Ussualy reaches the height of 2 meters carrying dissolved salts, whose crystals cause severe damage. The construction materials start to inflate, peel off in sheets, fall apart and eventually separate from the surface. Dampness does not affect only the object but also the health of persons who reside in it.
Objects without waterproofing
Older objects
Newer objects
Rising damp exists in all buildings without adequate waterproofing or those with damage due to wear or other reason. It is a known characteristic of older houses, buildings, castles, religious structures/buildings and similar.
As a result of rising damp buildings decay rapidly!
How to recognize rising damp?
- Visibly damaged internal and external walls
up to a height of 2 meters above ground level - Mouldy and unpleasant odours of humidity
- Formation of mould on walls (fungi)
- Facade plaster decays and crumbles
- Walls are cold and moist
Health risk
Rising damp, apart from its unpleasant smell, attracts bacteria and fungi into the space and saturates the air causing increased atmospheric humidity. Long term exposure to such conditions can result in a weakened immune system and development of allergic and immune reactions, asthma and other diseases.
The efficiency of thermal insulation of walls is reduced by increasing damp in the walls resulting in high heating costs.
To heat the room at 22 degrees, we need more energy:
Dampness up to 35% is considered normal.
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