Deep energy retrofit walls / Discussions

I had an interior porch torn down and had an exterior porch built. Now the back wall to the building is letting in cold air. I need to insulate the building.   When renovating exterior walls you need to observe the normal practices for wall assemblies or ‘control layers’, meaning air barriers, vapor barriers and therma...

...walls and roof of our latest demo house, the S1600 LEED Platinum Prefab kit house. As for how to mount exterior rigid insulation, there are ways that employ more expensive materials, but save a lot of time so it sort of comes out in the wash we figure after having done it that first way.  Cascadia Clips is one such pro...