Determine which ventilation products are best for your roofing project. This video provides an overview of the following intake options:

Soffit/Undereave Intake Vents (including individual vents, continuous strips, or ventilated soffit panels)
Rooftop intake vents

This video also provides and overview of the follow exhaust vent options:
Static Exhaust (including ridge, hip and roof louvers)
Powered Exhaust (roof mounted, gable-mounted vents)
Mechanical Exhaust (wind turbines)

To learn more and to help calculate your ventilation needs, visit gaf.com/ventcalculator