Seasonal condensation and how it can affect your house

22 Feb 2017

Seasonal condensation and how it can affect your house

What is condensation?

Condensation occurs when water vapour in the air changes into water liquid. In other words, it is where the water in the air within your home comes into contact with a surface that is colder. This causes the water vapour to turn into its liquid form, known as condensing.

This is why you will find water droplets on your mirror and window when you take a shower on a cold night. The water in the air is warmer than the cold mirror and window surface.

However, condensation can also be caused by many day-to-day activities in the household. This ranges from cooking, cleaning and drying, to turning the heating on or simply breathing around the house.

There are many reasons for condensation occurring, but poor insulation, inadequate ventilation and lack of a damp-proof course are often the most common reasons. You can read more in our previous blog posts here.

Condensation in the colder months

Throughout the winter and spring, condensation is most definitely at its worst. With the cold dark nights being present, particularly in winter, we’re more likely to switch on the heating to keep warm. Some homeowners will also make use of a fire too. However, warm radiators and warm fires can mean only one thing – increased moisture in the air.

Further to this, using the warm radiators and the heating to dry clothes on them will also lead to an increased amount of water vapour in the air. In order to keep the heat within the house, many homeowners will avoid opening windows, conserving heat. Unfortunately this means that any moisture that has been created from cooking, drying or showering, won’t be able to escape. As a result, the moisture created will go into the air, before settling on to cooler surfaces, like windows for example.

Draught excluders are also used in the colder months as this can keep cold air out of the house. With this being said, it also means that the moisture in the air cannot escape, trapping it in your house, yet again leading it to settle on colder surfaces.

Condensation in the warmer months

During the summer and autumn months, when the temperatures outside are generally a little warmer, condensation is less common. Due to the heating being used less and windows being opened more frequently, it often isn’t half as bad, though it’s still possible. In warmer months, condensation may also be found on the outside of your windows. This suggests that your house is well insulated, and your windows are doing what they should.

I have condensation – what should I do?

Although a little bit of water may sound harmless, if condensation isn’t dealt with immediately it can encourage black mould to grow on your walls, around your windows and on your ceilings. It looks unattractive, but is also very bad for your health.

If you are concerned about condensation, give RTM services a call today on 0800 955 8995, or you can contact us here and we’ll be happy to help you out.

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