
stewart killick
If it’s definitely rising damp coming up from the ground where the original damp course has failed, you can install a chemical damp course. There are plenty of companies that do this or it’s a reasonably easy diy procedure for a competent diy er. It basically involves drilling holes and using a sealant gun to fill the holes with the chemical damp course which then spreads and forms a new damp course. There are plenty of videos on YouTube on how it’s done