- Reaction score
- 5,866
It does. Any sign of air vents that might be blocked?Looks a bit damp down there.
I've traced loads of cases of poor IR down to these junction boxes. Usually down to them being full of damp cobwebs, up on a beam in some agricultural outbuilding.
Quick cure was to clean it out and to pack it full of a red plasticine like compound, whose name escapes me. 'R' something, IIRC.