mickespite Posted May 3, 2023 Share Posted May 3, 2023 Please see the pics below. I've spotted some damp on this outside facing wall (first floor) and not sure how long its been there. My first thoughts are maybe there's a leak in the radiator pipe behind the plasterboard. The leftside of the rad is easily explained by the bath but the right side of the rad has me puzzled. Any ideas ? Link to comment Share on other sites More sharing options...
mickespite Posted May 3, 2023 Author Share Posted May 3, 2023 Link to comment Share on other sites More sharing options...
TonyT Posted May 3, 2023 Share Posted May 3, 2023 Salts coming out of stone/brickwork? Link to comment Share on other sites More sharing options...
mickespite Posted May 3, 2023 Author Share Posted May 3, 2023 No , I don't see any salts. What would the presence of them tell me ? Link to comment Share on other sites More sharing options...
TonyT Posted May 3, 2023 Share Posted May 3, 2023 Wall drying out, paint preventing wall breathing so plaint blistering Link to comment Share on other sites More sharing options...
Dave Jones Posted May 3, 2023 Share Posted May 3, 2023 wall makeup ? Insulation ? Rad heats wall. outside gets cold. Dew point is close to inside surface. Dew forms when rad cools down. Just a guess. More insulation to cure. 1 Link to comment Share on other sites More sharing options...
mickespite Posted May 3, 2023 Author Share Posted May 3, 2023 47 minutes ago, Dave Jones said: wall makeup ? Insulation ? Rad heats wall. outside gets cold. Dew point is close to inside surface. Dew forms when rad cools down. Just a guess. More insulation to cure. How could I get more insulation in there though. Its a cavity wall, building built in the early 2000's i believe. Link to comment Share on other sites More sharing options...
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