Hello Byggahus members. I have a small problem, working on a school project calculating energy use in an old house (mid-50s). I have received a lot of info from the building permit application and drawings, but there's a material I can't quite figure out. Stramit!
What I've found online suggests it's some sort of straw insulation, but I can't quite confirm it. It's located inside the lightweight concrete wall (the entire house structure is lightweight concrete). I would like to know a lambda or U value for this material, or where I could find it.
Thanks in advance