Dampness is a presence of moisture in the various parts of building such as a floor, wall, roof etc.
Dampness is either formed due to intrusion from outside or condensation within the building.
The dampness in the building leads to unpleasant and unhygienic conditions to dwellers.
Thus, sufficient care must be taken to prevent such situations.
Let us see the different causes of dampness.
Dampness is mainly caused due to
Rain Water
Ground Water
Leakages from Pipes
Rain Water
Rain water may enter the buildings due to any of the following reasons:
From roof top:
If the roof top is not properly covered with water proofing materials, water can easily enter to it.
Improper slopes to roof:
In the flat roof, improper roof slopes result in the ponding of water which results in the dampness.
From Wall Top:
If the top of the wall is not protected with the impervious layers such as concrete, etc., the water can be easily enter into it.
From external wall:
The splashing of rain on the external surface of the water may also result in the entry of water to the wall.
Also, improper plastering on the external surface may also lead to dampness.
Improper fixing of drain pipes:
If the drain pipes from the roof top are not properly fixed, water starts to pond near the mouth of the drain pipes.
This also results in dampness.
Improper construction in joints:
Improper slopes in sunshades, Imperfect wall joints, improper construction joints in roof etc., leads to a formation of dampness.
Ground Water:
Generally, the buildings are constructed upon the soil.
Due to capillary action or increase in the ground water table, the water may hit the foundation.
This results in the formation of dampness at the floor level.
Leakage from pipes:
It may commercial or residential building, there will be a number of water pipes, soil pipes etc, constructed in the structure.
These pipes are connected either to circulate the water or to drain off the water.
The network of a pipe is created by joining a number of pipes, bends etc., which often leads to leakages of waters.
The leakage of water results in the formation of dampness.
Dampness is either formed due to intrusion from outside or condensation within the building.
The dampness in the building leads to unpleasant and unhygienic conditions to dwellers.
Thus, sufficient care must be taken to prevent such situations.
Let us see the different causes of dampness.
Dampness is mainly caused due to
Rain Water
Ground Water
Leakages from Pipes
Rain Water
Rain water may enter the buildings due to any of the following reasons:
From roof top:
If the roof top is not properly covered with water proofing materials, water can easily enter to it.
Improper slopes to roof:
In the flat roof, improper roof slopes result in the ponding of water which results in the dampness.
From Wall Top:
If the top of the wall is not protected with the impervious layers such as concrete, etc., the water can be easily enter into it.
From external wall:
The splashing of rain on the external surface of the water may also result in the entry of water to the wall.
Also, improper plastering on the external surface may also lead to dampness.
Improper fixing of drain pipes:
If the drain pipes from the roof top are not properly fixed, water starts to pond near the mouth of the drain pipes.
This also results in dampness.
Improper construction in joints:
Improper slopes in sunshades, Imperfect wall joints, improper construction joints in roof etc., leads to a formation of dampness.
Ground Water:
Generally, the buildings are constructed upon the soil.
Due to capillary action or increase in the ground water table, the water may hit the foundation.
This results in the formation of dampness at the floor level.
Leakage from pipes:
It may commercial or residential building, there will be a number of water pipes, soil pipes etc, constructed in the structure.
These pipes are connected either to circulate the water or to drain off the water.
The network of a pipe is created by joining a number of pipes, bends etc., which often leads to leakages of waters.
The leakage of water results in the formation of dampness.
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