Zone 6 Exterior insulation what is best/pay off?

Building in Zone 6 White Mts. I am a paying member, so I have read a pile of articles for last few months , Like Mr. Holladay’s, minimum foam. I… Building in Zone 6 White Mts. I am a paying member, so I have read a pile of articles for last few months , Like Mr. Holladay’s, minimum foam. I…Read MoreGreenBuildingAdvisor