Damp Walls

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Damp walls

Damp walls are a problem that most properties suffer from at some point. That said, there are many different damp problems that can affect walls and all require unique treatment. This is why it is important that a professional diagnosis is given before damp proofing walls in your property.
If your property is showing signs of developing damp patches on internal walls, then talk to the industry experts at Peter Cox. We have been helping our customers solve problems related to damp walls since 1951 and are always available with help and advice. Call our specialists today on 0800 633 5712 or contact our damp proofing team using our contact form

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Do you have damp patches on your internal walls?

The images below show the different effects damp can have on the walls of a property. Although damp patches on internal walls are a common symptom of most forms of damp, other signs such as internal salt marks appearing on brickwork or plaster can be an indicator that rising damp is likely the cause of your worries. If you recognise any of the signs in the picture below then you may want to consider contacting us for some professional damp proofing advice.


Damp on walls

What causes damp patches on walls

If you have noticed damp patches, peeling decorations or black spot mould appearing on your walls, then generally speaking the most likely culprit will be one of the three types of damp outlined below. Identifying the cause of your damp walls is of course integral to pinpoint the correct for of treatment you will require to resolve the problem, so continue reading to see if you can  establish the cause of your damp walls.

Damp walls caused by rising damp

Rising damp can only ever affect walls the property’s ground floor. The biggest tell-tale sign of rising damp is “tide mark” on the wall above the skirting. Another common symptom of rising damp is white marks left by salts that are drawn out of the brickwork. The salts and tide mark will often cause damage to paint or the peeling of wallpaper along with a damp musty odour.

Damp walls caused by penetrating damp

Penetrating damp refers to moisture ingress through a lateral wall. It is a damp problem that can penetrate walls at any level of a property. If water management systems like guttering or downpipes on the outside of your property look damaged or blocked then they are likely the source of a penetrating damp problem. Defective pointing and leaks in plumbing can cause penetrating damp. 

On your internal walls, penetrating damp will create damp patches that damage plaster, leave water marks and leave a damp musty smell.

Damp walls caused by condensation

Damp on walls caused by condensation will typically manifest as black mould spots on paintwork and wallpaper. Condensation problems are more likely to occur on cold, outside facing walls but can affect any wall in the property given the right circumstances. Condensation problems are more common in the autumn and winter months when people close their windows and increase the humidity and is particularly prevalent in bathrooms and kitchens.

Professional damp wall treatment

If you are considering damp proofing walls in your property, we would always recommend a survey from a professional damp expert. Our damp surveyors are experienced, CSRT qualified and their damp proofing techniques are backed by the accreditation of Which?, TrustMark, The Property Care Association and more. The surveyor will draft a custom treatment proposal for you and if you are happy to go ahead then we have a team of local technicians ready to get started iinstalling your damp treatment.

To speak to a Peter Cox damp specialist, call 0800 633 5712 today. Alternatively, if you would rather contact us online then you can fill in our contact form and one of our expert team will get back to you.

Next Steps

*Survey enquiries for your local branch will be directed to our dedicated central survey control teams across the UK. Calls to 0800 and 0808 numbers are free unless you are calling from a business phone, in which case the rate will be set by your provider.