(800) 535-7663

IL License #104-002387

Copyright Tomkat Roofing, Incorporated - 2018

Toll Free: 1-800-535-7663
Office: (815) 673-1449 | Fax: (815) 673-1311

32815 N. 200 E Rd., Streator, IL 61364

Duro-Last® Two-Way Air Vents

  • Made from Duro-Last® 40 or 50 mil membrane for use with Duro-Last, Duro-Tuff®, Duro-Fleece®, Duro-Fleece Plus® Roofing Systems or Duro-Last® EV 50 mil membrane for use with Duro-Last EV Roofing Systems.
  • One vent is required for every 1,000 square feet of roof deck area, with a minimum of one vent per roof on mechanically attached roofs.


Unique to Duro-Last, Two-Way Air Vents are designed to improve the performance of Duro-Last Roofing Systems by helping eliminate negative air pressure and promote air flow. Membrane comes attached to the vent, making installation quick and watertight.