Best ways to insulate 1960’s mixed up cathedral ceiling?

First off, I wish I had found this website years ago…We have a 1960’s Split Level Home with a 2/12 roof slope in Dry, Zone 7 Calgary, Alberta, Canada.   We… First off, I wish I had found this website years ago…We have a 1960’s Split Level Home with a 2/12 roof slope in Dry, Zone 7 Calgary, Alberta, Canada.   We…Read MoreGreenBuildingAdvisor