Tiny cabin cathedral roof insulation–vented or not vented?

Setting: I’m building a 12’x12′ off-grid cabin with a metal roof in texas in insulation zone 2 near houston. it would seem like texas code calls for r-30 (not r-34… Setting: I’m building a 12’x12′ off-grid cabin with a metal roof in texas in insulation zone 2 near houston. it would seem like texas code calls for r-30 (not r-34…Read MoreGreenBuildingAdvisor