Thanks for interest sorry about confusing reply.
There is a gap between membrane and insulation.
i wonder if that gap has been broached when putting insulation in and is this causing the "leak".
There are vents about six either side.
There is a vapour barrier but have I inadvertently left...
I have done everything to do with regs. The thick insulation, silver backed its name escapes me now, along with vapour barrier and 12mm plaster board. The only thing I can think of is that I may have missed out the vapour barrier in one part because it is alright on the other side. Could this do...
I've copleted my own loft conversion. No steel beam needed as middle supporting walls.
Prblem::: after 3 months damp patch along back purloin appeared all along it.
Solutiion:::: Guy who put in windows for me thought it might be windows that but it wasn't so he thought maybe roof vents...