What Is a Two Way Vent System

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.

What is a two-way air vent system?

Duro-Last® Two-Way Air Vents are made to help alleviate air pressure and relieve condensation that is directly underneath a Duro-Last mechanically fastened roofing system.

What is a two-way air vent plumbing?

February 16, 2006. The Maxi-Filtra, the newest product from Studor®, operates as a two-way vent that filters air in both directions. Its replaceable active carbon filter is designed to eliminate bad odors produced by the plumbing drainage system.