"Christian McArdle" wrote in message
. net...
Does anyone have figures on vapour permeability of oil paint?
About 1/4 of a vapour barrier, so a put a good few coats.
Not off the top of my head, but when I did, it wasn't particularly
effective, but better than nothing. Certainly several coats of undercoat
would be required to have a useful effect.
Christian.
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