About to pull the trigger on flash and batt. Am I making a mistake?

I’m in CT (climate zone 5.) To be safe, I’m having them put 3 inches of closed cell on walls and on roof slope, then putting R19 unfaced fiberglass on… I’m in CT (climate zone 5.) To be safe, I’m having them put 3 inches of closed cell on walls and on roof slope, then putting R19 unfaced fiberglass on…Read MoreGreenBuildingAdvisor