Amount of Benjamin Obdyke Rapid Ridge required:

Amount of Benjamin Obdyke Roll Vent required:

Amount of Benjamin Obdyke Cougar Ridge Vent required:

Amount of Benjamin Obdyke Xtractor Ventor XLP required:

Amount of Benjamin Obdyke Xtractor Ventor XLP Turbo required:

Amount of Benjamin Obdyke Xtractor Ventor X18 required:

Ridge vent systems need to be properly balanced with equal or greater (never less) amounts of soffit ventilation.