Thank you for your reply. Due to the uneven surface and variations in the profile of the rafters I guess this would be hard to achieve without using some kind of foam based insulation to fully fill the gap. I was hoping for a foil type that could be roughly cut to size and plastered boarded over...
Hello, I'm looking for advice with adding insulation to the inside of a sloping vaulted ceiling below loft level. The building is a barn conversion, originally converted in the 1980's. Currently the rafters are exposed and sit below a thin layer of solid insulation that has been painted on the...