Baffle thickness in a gable roof

Hi all,I was attempting to insulate my roof with exterior rigid foam, but due to being unable to find anyone to do so I’m back to a vented setup.I can’t… Hi all,I was attempting to insulate my roof with exterior rigid foam, but due to being unable to find anyone to do so I’m back to a vented setup.I can’t…Read MoreGreenBuildingAdvisor