Insulation & Air Sealing
The first layer of foam is mostly an insulation layer; the outer layer is the air barrier and drainage plane. This video is about the first layer.
A retrofit solution that works great for a low-skill workforce—like volunteers
If you can't build to stay dry, build to tolerate wet
Everything* you need to know about adding insulation to the outside of old homes with cold bones
Mark the trusses before you unbundle them
Continuous exterior insulation means smaller studs and higher performance
An item on the Energy Star Thermal Bypass Checklist. Item 5.1.2, to be exact ...
For cutting rockwool insulation, retire your old bread knife and pick up a pair of these
Rinse off with cold water before the hot shower.