- Technical guide - Condensation
Condensation forms when water vapour contained by the air comes into contact with cold surfaces and condenses to form dampness or water droplets. Air can contain varying amounts of water vapour; warm air can hold more water vapour than cold air. When warm air comes into contact with a colder surface, it cools down and can’t retain the same amount of water vapour. The excess water vapour turns back to a liquid and forms condensation.
Water vapour is invisible in air and is formed when you breathe and when you carry out normal daily activities in the home. It is also formed as the materials used in the construction of new houses dry out.
There are three ways in which you can combat condensation:
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