How do you ventilate a mansard roof?

How do you ventilate a mansard roof? The solution is to install custom made inlet vents at the upper roof located above the insulation level. The vent has to be designed to allow the intake air to come from a horizontal grill. All vertical inlet type vents allow the infiltration of wind driven rain or snow into the attic area.

The solution is to install custom made inlet vents at the upper roof located above the insulation level. The vent has to be designed to allow the intake air to come from a horizontal grill. All vertical inlet type vents allow the infiltration of wind driven rain or snow into the attic area.