Insulation and Venting Advice for 3:12 North Facing Light Colored Mono Pitch Roof (Cathedral ceiling) in Cold Climate

I’m building a high performance ICF home in Zone 5 with a single slope mono pitch (3:12) roof and a cathedral ceiling.  The Roof layers are currently as follows:Standing seam… I’m building a high performance ICF home in Zone 5 with a single slope mono pitch (3:12) roof and a cathedral ceiling.  The Roof layers are currently as follows:Standing seam…Read MoreGreenBuildingAdvisor