Condensation And How To Beat It

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‘Condensation dampness’ is a condition that affects millions of homes in the UK. This guide should help you control and prevent condensation and mould within your property.

What is Condensation?

Condensation occurs when warm air collides with cold surfaces or there is too much humidity in a property that can’t escape.

If this happens regularly, mould may start to grow – usually on cold outside walls and surfaces and in places where the air does not circulate well. Look out for the following signs that may indicate excessive dampness in your property:

Streaming windows and walls
Damp areas appearing on walls, especially behind furniture and in corners
Wallpaper is starting to peel
Window frames start to blacken
Mould growth, usually black mould, has appeared
Soft furnishings and fabrics become prone to mould and mildew

Where Does Condensation Dampness Occur?

The most vulnerable areas will either be rooms where a large amount of moisture is produced, i.e., bathroom and kitchen, or on cold surfaces in other rooms where this moisture can travel to.

The following areas are particularly prone to condensation:

Cold surfaces such as mirrors, single glazed windows (above) and metal window frames.
Kitchens and bathrooms.
Walls of unheated rooms.
Cold corners of rooms.
Wardrobes/cupboards and behind furniture against an outside wall.

The effects of this process may be visible, for example droplets of water on gloss painted windowsills, but often the water droplets will soak into the wall and a problem will not be diagnosed until black mould patches start to appear.

Consider this: when an adult is asleep for approximately 8 hours, they exhale approximately two litres of liquid. If your windows are closed and there is no other ventilation, there will be condensation present.

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4 PEOPLE IN THE AVERAGE PROPERTY		CREATES 16 PINTS OF MOISTURE PER DAY		THAT AMOUNTS TO 112 PINTS OF MOISTURE PER WEEK

What Causes Condensation?

Condensation usually occurs in winter because the building is cold, and windows are opened less so moist air cannot escape. It is most often caused by one of the following:

There is insufficient ventilation in the property
The heating system isn’t working properly
The occupant is simply not opening windows or using extractors in kitchens and bathrooms.
The occupant is leaving washing to dry in certain rooms and not opening windows to let the extra moisture out.

Tackling Condensation Problems

There are basically 3 main ways to address condensation. Please follow these tips to prevent it becoming a serious issue in your home:

Stop Moisture Building Up

Wipe down surfaces where moisture settles.
Cover boiling pans when cooking.
When cooking, bathing, or washing and drying clothes, close kitchen and bathroom doors to prevent steam going into colder rooms, even after you have finished.
Cover fish tanks to stop the water evaporating into the air.
Dry clothes outside where possible.
Do not hang washing over radiators.

Ventilate, or Air, the Home

When cooking or washing, open windows or use extractors.
Where drying clothes inside is necessary, do so in a small room with windows open.

Open windows for a while each day or use the trickle/night vents.
Do not block air vents. This is also important where gas and heating appliances are concerned as they need a supply of oxygen to work effectively and allow gases, such as carbon monoxide, to escape.
Allow air to circulate around furniture and in cupboards. You can do this by making sure cupboards and wardrobes aren’t overfilled and there is space between the furniture and the wall.

Keep the Property Warm

Draught proofing will keep your home warmer and help reduce fuel bills. When the whole house is warmer, condensation is less likely to form.
Insulating your loft and walls will help.
Maintain a low heat when the weather is cold or wet. This is more effective than short bursts of high heat.

The Difference Between Damp and Condensation

Damp occurs when a fault in the building’s basic structure lets in water from outside. There are two types of damp: penetrating damp and rising damp.

Penetrating damp occurs when water is coming in through the walls or roof, (for example, under a loose roof tile, leaking pipes or waste overflow) or through cracks.

Rising damp is rare but if this occurs there is a problem with the damp proof course. This is a barrier built into floors and walls to stop moisture rising through the house from the ground. The usual evidence of rising damp is a ‘tide mark’ on the walls that shows how high it has risen. There is also a musty smell.

If you have any questions please don’t hesitate to reach out to our team hello@horizonmanagement.co.uk