The Effects and Significance of Atmospheric Moisture, Mould and Condensation

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Atmospheric moisture imbalance leads to water deposition (condensation), deterioration of decorations, mould, and timber decay. For many people, the appearance of even small areas of seasonal mould is now a significant cause for concern. This session will explore how water transported through the air, requires surveyors to understand the physics, politics and products that are making this natural mechanism a growing challenge in modern homes. The talk will consider:

• Public awareness and impact on building and occupant health
• Water activity, vapour movement and wetting and drying
• The importance of heat and temperature
• Ventilation and air exchange
• The assessment and measurement of moisture balance
• How to report your observations and assumptions

Steve Hodgson, Principal Steve Hodgson Building Consulting Ltd