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What is Damp?

What is damp and why is it a problem?

Damp can be a source of stress and frustration to affected homeowners – but what is damp and what kinds of problems does it cause?

what is damp

We can see this is damp but why? We’ll get the answer

Properties need to have a little moisture in them to provide an optimum living environment. Sometimes, and for a variety of reasons, those moisture levels can increase, bringing a multitude of problems. The material all houses are built from can be weakened by too much water. These include stone, brick and timber frame buildings.

An increase in your internal moisture levels can be a result rainwater penetrating into the structure from outside, from condensation created inside or a combination of factors.

At first, a little bit of damp can easily go unnoticed. Without removing the cause and treating the problem, damp can soon build up, damaging the building, interior decoration, belongings and even your health – asthma sufferers are particularly vulnerable to damp conditions. Others, with a depressed a immune response, for example the elderly, very young or those recovering from illness are also at risk.

What are the main types of damp?

In order to identify the right course of action to eliminate your damp problems, you need to know what type of damp is creating the issue. There are 3 main types of damp that affect domestic properties, which are:

To learn more about the different types of damp, just follow the links to their dedicated pages.

Our experts visit houses in the Leeds, Sheffield, York and wider Yorkshire area every day, assessing all of these types of damp and dealing with their unsightly and unhealthy symptoms – if you’re worried about damp in your home, contact our friendly team on 0113 265 2752 – York  01904 566577 – Sheffield 0114 224 5121 or email us via our contact page. Or read on to find out, what is damp?


What are the signs of damp?

Damp makes itself known in a number of different ways. None of these are particularly pleasant. During several decades of working with damp, we’ve seen just about every sign of its presence possible. Signs of damp depend on the cause, but here are the main ones:

  • Smell – if your house has started to smell musty, it’s probably worth investigating the cause, as it’s very likely to be a damp problem.
  • Plaster problems – damp can cause blistering, flaking and discoloured plaster.
  • Staining – paintwork and wallpaper can absorb the damp, deepening the colour or tone, so it looks like a stain spreading across the wall – it may even feel damp to the touch.
  • Mould – a sure-fire way to detect damp is if you notice those telltale dark spots caused by the unwelcome presence of mould and mildew.
  • Wood decay – damps can cause fungi to appear on timber, or even attract more animated nasties such as woodworm to thrive, causing decay.
  • Rust – check the screws in your skirting boards and the metal angle beads on corners of walls for signs of rust: metal shouldn’t be exposed to enough moisture to rust indoors, so this can be sign that you’re suffering from damp.

You can even get signs of damp on the outside of your property too. Check for crumbling mortar and white marks caused by salt from evaporating water staining the walls. Green moss or algea is also a sign that all is not well.

Once moisture builds up in your house and damp starts to appear, it will only get worse unless you deal with it. The worse it gets, the more likely it is to start damaging your home or your health. The sooner it is tackled the less it will cost to fix.

If you think you might have damp, and need help to assess and fix the problem, call our specialists on 0113 265 2752 – York  01904 566577 – Sheffield 0114 224 5121 or email us via our contact page and we’ll do everything we can to restore your property to its former, pre-damp glory!

If you want to explore damp in more detail our MD’s blog is a rich source of technical help. His posts there ranging from the fundamentals of damp to advanced and detailed technical posts for students and built environment professionals. A basic post to sample would be: A basic guide to damp part 3 or for the more advanced student: Relative humidity and vapour pressure – which is best?

 

 

 

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