Dampness and It’s Effects & Causes

Dampness

Definition

The access or penetration of moisture contents inside a building through its walls. floors on roof is known as dampness.

Dampness is not only injurious to buildings but it affects adversely the health of their inhabitants. it becomes, therefore,essential to know the causes of dampness and methods of its prevention so that the buildings can be constructed damp-proof.

Image result for dampness in buildings — **Dampness**

Effects of Dampness

Following are the common ill or harmful effects of Dampness in a Building.

It causes dry rot to the wooden members provided in the building.
It cause corrosion of metals used in the construction of a building.
It causes peeling off & removal of the plaster.
It causes the paints to get blistered & bleached, and the surface thus gets disfigured.
It causes floors of the building to remain ugly since they cannot be cleaned well.
Carpet, if used on floor of a damped building, gets destroyed earlier.
All electric installations get deteriorated.
It causes efflorescence which affects the exposed surface of the brickwork to disintegrate and fall to powder.
It reduces the life of the structure as a whole.
It causes unhygienic conditions for the occupants of the building and affects adversely their health.

Causes of Dampness

Rain penetration
Drainabililty of Soil
Defective Orientation
Moisture entrapped during construction
Defective Materials
Defective Construction
Moisture which originates in the building itself
Level of Site
Climatic Conditions.

Author: Engineer-Nisar

Civil Engineer View all posts by Engineer-Nisar

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