Various causes of Dampness in building

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Dampness in buildings can be caused by a variety of factors, ranging from external weather conditions to internal design and construction issues. Here are some of the most common causes of dampness in buildings:

1. Exterior Weather Conditions: Rain, snow, and high humidity can all contribute to dampness in buildings. Water can enter a building through openings such as windows, doors, and cracks in the exterior walls and roof.
2. Poor Building Design and Construction: Buildings with inadequate drainage, insufficient ventilation, and poorly sealed openings can be more susceptible to dampness. For example, if a building has a flat roof that is not properly sloped, water can accumulate and seep into the building.
3. Water Intrusion: Water can enter a building through plumbing leaks, roof leaks, and flooding due to heavy rainfall or other natural disasters.
4. Condensation: Condensation occurs when warm, moist air comes into contact with a cold surface, causing the moisture to condense into droplets of water. This can happen in buildings with poor insulation, inadequate ventilation, or when warm, moist air is introduced into the building through cooking, showering, or other activities.
5. Groundwater: Buildings located near water sources, such as rivers, lakes, or coastal areas, may be more susceptible to dampness due to groundwater seepage.
6. Soil Erosion: Soil erosion can cause water to seep into the building through the foundation or basement walls.
7. Poor Maintenance: Failure to properly maintain a building’s exterior surfaces, such as the roof and walls, can lead to gaps and cracks that allow water to enter the building.
8. Landscaping: Poorly designed or maintained landscaping can direct water towards the building, causing dampness.
9. Indoor Activities: Activities such as cooking, showering, and drying clothes indoors can all contribute to dampness in buildings.

It’s important to identify and address the causes of dampness in buildings to prevent structural damage, health risks, and uncomfortable living conditions. Building owners and managers should regularly inspect their buildings for signs of dampness and take steps to address any issues that are identified.

References:

1. “Causes of Dampness in Buildings” by the National Institute of Building Sciences (NIBS)
2. “The Causes of Dampness in Buildings” by the Building Research Establishment (BRE)
3. “Dampness in Buildings: Causes, Effects, and Solutions” by the World Health Organization (WHO)

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Arbaj Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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