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Marathon Prevent PVC Vent

- Available in 2 Options. Pricing may vary.

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This product qualifies for FREE SHIPPING when combined with Marathon orders over $200.00


Product Information


Marathon Prevent PVC Vent is a premium large capacity PVC roof vent for pressure and moisture relief of roofing systems. It is ideal for use with quality heat weldable PVC membranes to provide a secure flashing attachment. This roof vent is available in a one-way or two-way style and offers over 80 square inches of venting area per unit.


  • Exclusive one-way valve design to prevent moisture from re-entering the roof system
  • Special insect resistant wire screen standard
  • Strong cap permanently attached - vandal proof
  • Pre-drilled flange for fastening to roof deck

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Marathon Prevent PVC Vent Diagram