Hi - am having a problem with black mould growing along wall/skirting in living room...have an end terrace house and this is happening on the outside wall. Had new heating installed in the Summer last year and consequently had a radiator moved from the offending wall to a wall adjacent and internal to the house....suspect this may be a contributory factor ?? Also have recently removed old skirting and replaced with new ?? I think we may have possibly disturbed things ?? I am concerned about mould as we have a young baby in the house so am anxious to remove all traces....can anyone suggest what we should do...thanks!
The old radiator location was drying off the condensation. Check outside to see if you've got an elevated earth level above the damp-proof course or a leaking gutter running water down the outside.
It won't be "rising damp" - there's no such thing. It's either a fault on the outside of the building or condensation internally on a cold wall.
If condensation, add internal polysterene insulation to the wall when you redecorate, or get yourself a dehumidifier. The latter is quickest and easiest, and you'll be amzed at how much water it picks up.
Also change your behaviour: don't dry clothes on radiators - the moisture just goes back into the air and then settles on your walls - dry outside or use a tumble drier.
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