What is condensation?
Condensation is the process where water vapor (a gas) becomes liquid. Condensation occurs when water in the air turns into liquid water when it hits a colder surface. It is most likely to appear on windows, colder parts of walls, around external door and window frames and where ceilings and floors meet with outer walls. It can also occur when the air becomes so saturated with water vapor that it cannot hold any more water.
There’s always moisture in the air, even if you can’t see it. Moisture in your home is created through everyday activities every time you wash, cook, bath, shower and even breath!
The air in your home needs to stay warm to hold onto as much moisture as possible. If the air in your home is cold it will release moisture creating condensation in your home.
Condensation also appears where there is a lack of air flow such as behind furniture places against an outside wall or inside cupboards.
Condensation is also formed in new homes as the materials used in constructing them (such as mortar and plaster) dry out gently over time.