Moisture and humidity levels are required to support mould growth.
The cheapest and easiest way of reducing moisture and humidity levels is by ventilating a room by opening a window or door. All areas of the house should be continuously ventilated where possible.
The most effective method of reducing moisture is to use exhaust fans in areas where water vapour is created. There must be enough ventilation for an adequate intake of fresh air to replace the moist air.
Condensation and mould growth can be reduced by providing a continuous low level of dry heat. Continuous, even heating will allow warmth to penetrate the walls and ceilings. On cool days try to keep the inside temperature at least 5°C higher than the outside temperature.
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