Damp Proofing Walls

How to identify the different types of damp affecting your walls


Dampness on walls is a very common problem that can affect all types of properties. However, not all damp problems found on walls are the same, so the appropriate damp proofing for walls will differ from property to property.

Our guide below will give you a better understanding of various damp issues that affect walls, but the best way to correctly diagnose a damp problem on your wall is to organise a visit from one of our expert surveyors who can offer expert advice on how to get rid of damp in your home.. Call us today or contact us online via our contact form.

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Rising damp on walls

Rising damp is an issue that will only affect walls on the ground floor of a property. You can generally tell if you have a rising damp issue by the typical “tide mark” often left on the wall above the skirting board. It is often associated with white efflorescent salts which are drawn out of the brick work with peeling wallpaper and a damp musty smell within the affected rooms. Damp patches on internal walls is also a tell tale sign of a rising damp issue. 

To find out more about damp proofing walls with rising damp, visit the following web pages:

Condensation damp on walls

Condensation is by far the most common form of damp on internal walls. Generally, condensation on walls is most evident when the condensation festers and allows black mould to germinate. You will generally notice this on outside facing walls where the wall is colder however, it can be quite random and will certainly appear more often within the winter months particularly in bathrooms and kitchens.

To find out more about damp proofing walls with condensation, visit the following web pages:

Penetrating damp on walls

Penetrating damp (or moisture ingress as it is often known by) is a damp issue that can affect walls at all levels of a property. It can quickly saturate a wall and penetrate through to the inner walls. You can generally tell if you have a penetrating damp issue on your walls by examining the outside of the property to look for defective water management systems such as broken guttering or pipes. Defective pointing and plumbing can also be a common reason for penetrating damp appearing on walls.  

Internally, evidence of penetrating damp can include damp patches on walls that never seem to dry out, damaged plaster, water marks on masonry and damp musty smells.

To find out more about damp proofing walls with a penetrating damp issue, visit the following web pages:


The information above is a general guide to help you identify particular damp issues and some DIY tips on how to get rid of damp in your home. For a more in-depth investigation, we would always recommend a survey from a damp treatment specialist.

To speak to a damp specialist, call us today on: 08006522678 or click to find your local branch. Alternatively, you can contact us online using our contact form and we will forward your enquiry to the local team.

Contact Wise about damp proofing walls