Is a vented Mansard style roof a good idea?

Hi all,We’re in the planning stages of a new build in Southern Ontario (climate zone 5? 6?) and are starting to translate the schematic design into construction details. Roughly speaking, the… Hi all,We’re in the planning stages of a new build in Southern Ontario (climate zone 5? 6?) and are starting to translate the schematic design into construction details. Roughly speaking, the…Read MoreGreenBuildingAdvisor