Identifying and treating damp on internal walls can be a very difficult task 

Treating Internal Damp problems within a home can be a bit of a challenge. The most important thing is to identify the cause or causes. Damp can occur for all sorts of reasons such as condensation. Penetrating damp coming through the walls,  Rising Damp caused by damp proof course bridging, retrofitted Concrete floors in old buildings, pushing damp up the walls. Tanking Membranes for cellars which can also push damp up the wall and into the living areas. Concrete renders on solid walls, incorrect chemical injections, Cement Pointing. Descending damp getting into walls, the list is extensive  but with the correct identification and the right approach, most damp problems can be rectified

Moisture Meter for damp

Moisture Meter the Salespersons favourite Tool

The main types of damp within a wall and home can be a combination of factors or a single case of some of the aforementioned.

Click on the types of damp listed at the bottom of this page to read more and look at our case studies on what causes each damp problem and what can be done when it comes to treating damp internal walls. Finding a cure for any damp should not risk the possibility of other problems within the fabric of the building, all this should be thoroughly researched.


Our advice is to not rush into having work done that could make little or no difference, or even exacerbate any damp problems. We come across many inappropriate jobs with incorrect materials hastily carried out to supposedly cure damp within walls. Such as polymer cement renders, external spray applied textured coatings, (textured coatings are often sold as an easy fast cure for pentetraing damp and are very difdifficult remove)  tanking slurry, damp course injections, etc. These finishes that can also ruin the fabric of the building causing additional damp problems and spoil the appearance of a house. Correctly diagnosing and identifying the source of a damp problem can be a challenge even for a good builder.

damp meter reading moisture levels

Damp Meters should not be trusted 100% this is actually condensation easily cured

Be wary of the so-called damp surveyors, often armed with the dreaded damp-moisture meter, all too often we see, failed needless expensive work recommend by them such as DPC injections etc cement rendering

(Also unnecessary damp proof injections and wall ties are often the favourite mortgage approval condition of building society surveyors)


Why not engage a specialist wall and damp expert firm such as All4Walls to conduct a survey, and provide unbiased advice on how to fix your damp problems permanently? With an array of finishes, skilled tradesman and an experienced sympathetic approach to period buildings, we offer sound advice whatever your problem.

We offer damp surveys in Leeds and the surrounding areas. Our damp survey can include thermal imaging, relative humidity readings and invasive surveys to determine the cause of the problem. We won’t try and sell you a damp course injection or anything else that you do not need. Below are some common causes of damp click each one to find out more about what can cause them, how to cure and prevent them. You will also find free tips and help for treating damp on internal walls Condensation.  Penetrating Damp,  Rising Damp, Tanking Membranes, Concrete Renders, Chemical injections, Cement Pointing, Descending Damp