Wall service cavity insulation

Question is asked with climate zone 6 in mind.Most wall service cavity examples seem to be made with 2×4’s “on the flat” perpendicular to studs, making 1.5” deep horizontal service… Question is asked with climate zone 6 in mind.Most wall service cavity examples seem to be made with 2×4’s “on the flat” perpendicular to studs, making 1.5” deep horizontal service…Read MoreGreenBuildingAdvisor