Complicated Roof and 100% Cathedral Ceilings from 1978 – How to Insulate?

My house is built in 1978 and has cathedral ceilings throughout the house – there are no crawlspaces or attics.  The rafters are 2x8s and I live in Zone 6… My house is built in 1978 and has cathedral ceilings throughout the house – there are no crawlspaces or attics.  The rafters are 2x8s and I live in Zone 6…Read MoreGreenBuildingAdvisor