Good afternoon Morag, it would be worthwhile getting somebody in to take a look, but usually repointing and water sealing will remedy any penetrative damp issues. If the property is pre 1915 it is probably constructed using a lime mortar. It is essential that the new pointing material is also a lime mortar. No cement can be used as this will compound your problem.
Hi Morag Sorry to hear about your damp problems , firstly I would recommend that the source of the damp be identified , but as you say there is no damp proof course present, I would recommend that a new damp proof course be installed, there are a few products out there but we currently use the Dry zone method which comes with a 30 year under written guarantee , once this is installed and along with any pointing that is required then the internal damp patches can be repaired using again the correct Dry zone materials and application , but first and foremost a new damp course should be installed to rectify the cause. I would recommend posting on Rated People under specialist jobs , then Damp proofing. hope this has been of some help to you. Regards Craig
Hi Repointing and damp proofing will help to a certain degree but not fully resolve this issue. Most dampness comes from below ground level and will travel up the structure until it meets a DPM. In your case damp will continue to rise as there is no DPM in place. Hope this helps.
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