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Condensation forms when water vapour is released from the air and forms droplets of water on cold surfaces.
When warm air full of moisture in your home comes into contact with a cooler wall or window, the cooling air is unable to maintain the same quantity of moisture, and the water is discharged onto the cold surface. This can also happen when warm air and cold air meet, causing condensation to develop - such as around windows and exterior walls.
Condensation can lead to serious problems in your home. If condensation is not dealt with promptly and wiped away from walls, it can soak into the underlying plaster, and create damp patches where patches of mould will grow. When the temperature inside the home falls condensation will form on your windows and walls. This happens especially at night when the heating is switched off, and happens in thousands of houses across the UK.
When the air can no longer retain all of the moisture that we make in our houses, it migrates to the coldest surfaces in our homes, such as windows and walls, where it condenses.
Surface condensation is the most common sort of condensation, and it manifests itself as droplets of water or mist on window glass.
Cold Bridge Condensation develops when warm, moist air comes into contact with surfaces at or below their dew point. This often happens at the base of external walls.
Warm-front condensation happens when moist, warm air enters a cold environment.
Interstitial Condensation is caused when warm, wet air diffuses into a vapour-permeable substance, such as fibrous insulation.
Reverse condensation or summer condensation happens when rain soaks a wall and then the sun dries it, the heat may actually drive water vapour into the wall.
Radiation condensation or clear night condensation is a kind of condensation caused by radiation. Condensation can form on the underside of roof coverings if the temperature drops suddenly at night.
You can easily see the signs of condensation in your home in the form of droplets of water on surfaces. These signs include:
Condensation is the most common cause of damp patches, and if not treated, it will contribute to the development of mould. When the temperature dips at night, condensation forms on inside surfaces. Keep an eye out for condensation, since it may lead to an unattractive, musty property if left unattended. If mould develops, it has the potential to trigger or cause health issues such as asthma and other disorders.
Many people are used to waking up to condensation on windows, especially in the winter, and this is generally the first indicator of a condensation problem. If condensation happens for an extended period of time, further symptoms such as moist patches on walls, peeling wallpaper, and eventually black mould growth will develop.
Interstitial condensation occurs when wet air reaches the concealed area within an enclosed wall, roof, or floor cavity structure, causing structural damping. When moisture-laden air reaches a dew point temperature layer inside the interstitial structure, it condenses into liquid water.
In warm outdoor temperatures, moisture-laden air can penetrate into the buried interstitial wall cavity from the outside, and in cold outdoor conditions, it can penetrate from the inside. The consequent structural damage, as well as mould and bacterium development, may go undetected on the surface until considerable damage or widespread mould and bacteria growth has occurred.
Condensation causes damp which can make your house unwelcoming. Musty smells from mould and mildew are a signal that there is damage occuring to the fabric of your homes and an early sign of increased health risks for people who suffer with asthma and other respiratory problems.
Don't let condensation problems ruin your health and home, contact us today to arrange a free home survey.
Need more advice? Read our 14 top tips to reduce condensation in your home.
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