Ok so considering the timber in stud walls is rubbish for insulating, can anyone recommend a better, yet economical building material or cladding?

and 3.8 in alpine areas. @CheeseNWine, what region are you building in? 7 - Canberra Blardy cold winners here as far as I'm concerned.

it is more important that this R2.8 insulation is consistent throughout the wall which is impossible to achieve with timber-framed houses + batts insulation set up as wooden frame will still be creating thermal bridging. For example, R2.7 in your energy rating calculations has nothing to do with re...

Hey all, I'm new to this forum and hoping someone here has some info to help me out... I'm planning out a house build and it needs very good insulation for cold weather. At the same time I'm not made of money... Just wondering if I need to significantly increase my wall insulation from R2.7 and what...