The OMG OlyVent one-way vent and two-way breather can be used with either single-ply or BUR applications. Engineered from heavy gauge, spun aluminum, its conical shape allows for easy installation and a high performance flashing detail. The vent’s wide base opening out-performs cylindrical vents.



The OMG OlyVent one-way vent and two-way breather can be used with either single-ply or BUR applications. Engineered from heavy gauge, spun aluminum, its conical shape allows for easy installation and a high-performance flashing detail. The vent’s wide base opening outperforms cylindrical vents. A vandal-proof cap provides security and prevents entry of wind-blown rain or snow. The one-way vent’s Duro Nitrile rubber valve allows trapped air pressure to escape. A simple identification feature distinguishes the one-way vent from the two-way breather for quick completion of roof inspections. For more information, call 800-633-3800 or visit www.olyfast.com.