Air Barrier in Conditioned Attic

My conditioned attic roof currently under construction (almost done with plywood sheathing stage) has the following layers: rockwool (inside attic between rafters), existing skip sheathing, FR10 fiberglass slipsheet, 3″ polyiso… My conditioned attic roof currently under construction (almost done with plywood sheathing stage) has the following layers: rockwool (inside attic between rafters), existing skip sheathing, FR10 fiberglass slipsheet, 3″ polyiso…Read MoreGreenBuildingAdvisor