Aluminum One Way or Two Way vent that provides pressure equalization in the roof system. Spun from heavy gauge aluminum with unique cap design that shields against entry of wind-blown rain or snow.
Part #
One Way - BV‐10156
Two Way - BV-10157
One Way Packed 10/carton
Two Way Packed 20/carton
Height |
Base Opening |
Base opening with insert |
Flange Diameter |
Flange Material |
Recommended spacing |
8-1/2" | 6-1/2" | 5-3/8" | 12" | Aluminum | 1 per 1,500 Sq. Ft. |
I really like the products we purchase from Marathon. They are always helpful and much nicer to deal with than my previous manufactures.
— Bob, Commercial Coordinator, ABC Supply Company, Austin, Texas