How Do Roof Flaps Work

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

How do roof flaps work. The decision to implement a safety device to keep cars on the ground came after two crashes in 1993. As shown at left the roof flaps are flaps of metal that are normally flush with the roof. The roof flap may not be a large piece of equipment on cars but they are important to keeping all for tires firmly on the track. A race car s body is designed to optimize downforce but if that body is spun so air is flowing in reverse lift is generated instead of countered.

The roof flaps job is to disrupt that airflow and prevent lift. When the pressure on the roof gets low enough the pressure differential between the underside of the flap and the top of the flap causes the roof flap to pop up. Watch nfl nhl nba.