Just did a survey this week of a very ordinary looking building. It turned out to be timber framed, on a brick plinth. But it was really warm and dry inside. I couldn't work out why the walls were so solid, and thermal imaging was showing very little heat loss.
Then I went into the roof space and found the timber frame, infilled with the most magnificent chopped straw / lime / daub mix. I've never seen anything like this before - internally it was still lime plastered. Externally it's cement render - so we aren't sure whether it will have deteriorated at lower levels, but everything seems to be bone dry.
What a find!
So when someone tells you that hemp lime is a good 'green insulation' material, you can tell them the Victorians did it..!
