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So 8mm of the cork stuff gives the same insulation as 3mm of PIR? Mmmm cosy.
It's interesting.
The cork stuff is sprayed on. Someone shared a really good pdf guide to retrofitting insulation, and one of the things it was insistent about was that the lambda value and the ability to form a really, really good fit and seal were of almost equal importance. Obvs. spray stuff can form a really, really good fit, where boarded stuff struggles.
Howard
Nef
t.o.
So 8mm of the cork stuff gives the same insulation as 3mm of PIR? Mmmm cosy.