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. |
Marathon is always providing absolutely amazing customers service !! Wish I had more vendors like Marathon
— Holly Jagger - Assistant Branch Manager - Beacon Auburn ME