Edgware Glazing

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Condensation

What is condensation?

Condensation is water vapour suspended in air.

Where does water vapour come from?

The most common sources of water vapour are cooking, drying clothes on radiators, washing up, in house plants, moisture in newly built properties and extensions and from the breath we exhale.

Where can condensation occur?

Due to the thermal currents in the house, condensation can occur in a number of places, usually at cold spots i.e. An unheated room or a conservatory without any form of adequate heating.

Condensation forming on the room side surface of a sealed unit indicates a high water vapour content present and that the temperature of that room side glass surface is inadequate.

Condensation within the airspace of the sealed unit indicates the unit has broken down.

How do I know if I have condensation?

Condensation will take many forms, the most common begin steamed up windows and puddles of water on the window sills. In some extreme cases, dark spots of mould will appear around the windows, wall coverings and mastic seals throughout the house.

How do I reduce condensation?

Condensation can be controlled by providing natural ventilation to change air on a regular basis and by maintinaing an even temperature. This is achieved through ventilation units which are controlled by humidistats, and airbrick, or by opening a window. A more effective way of controlling condensation would be to install a dehumidfier.