Insulating a vaulted/cathedral ceiling

31 Oct 2008
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United Kingdom
I am looking to insulate my barn conversion, the property was originally converted in the 1980's and I don't think their is any insulation in the roof that I can see.

The roof leaks in a couple of places and I though it might be better to fix the leaks and insulate at the same time.

I have had coupple of quotes to strip the roof, add insulation 70mm celotex between the rafters and a layer of aiflex over the rafters and then replace roof.

The cheapest quote so far has been over £35k :eek: - this is far more than I can afford - is their any cheaper alternative to taking the roof off, if I have no loft space to insulate?

Is it possible to insulate from the inside on a vaulted plastered and decorated ceiling?
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