I have been working hard on developing my passive house walls. hopefully they will hit the R50 mark once all the wood and thermal bridging has been taken into account.
I've included a sketch, and one picture from the mock-up i built quickly yesterday to help me look for problem areas, found a few things that i needed to address, and thought of a few solutions too. sometimes you just need to build something to get away from the office work. Starting from the outside. siding - rain screen- wood fiberboard (i used scraps of osb in my mock-up) homemade truss type thing to create large space for insulation. - structural framing layer 2x4 or 2x6 - air barrier OSB tapes with special tapes - service cavity (will be stuffed with bats) - wall finish. Hopefully this all will be approved by all the inspectors etc...
Look at all the Room for Insulation!!!!!!!!