Any ideas what would cause this? Its not damp, just appears to have blistered. I'd like to be sure before i sort it.
Plaster issue against double glazing.
- Thread starter lancs_lad
- Start date
If it is definitely not damp and water ingress, could it be cold bridging causing condensation, that is then disturbing the plaster/filler?
I think I would chisel out any bad areas, fill gaps with foam and cover the lot with uPVC cloaking profile.
Others may have better ideas!
I think I would chisel out any bad areas, fill gaps with foam and cover the lot with uPVC cloaking profile.
Others may have better ideas!
If I inject expanding foam in the gap for better insulation am I likely to cause further issues?
It should be ok.
Out of interest, do you have solid external walls or is there a cavity ?
It's a cavity wall. Just 3.4% moisture. Plaster skim has bubbled down where the double glazing is fitted. Less obvious lower down.
Rake out and see, no point guessing , could be poor filling around frame just crumbling .