Aluminum 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.
One Way - BV-1019
Two Way - BV-1018
|Overall height||Base opening||Base opening with insulation insert||Flange diameter||Flange material||Recommended spacing|
|11-1/2"||12-1/2"||10"||17-1/4"||Aluminum||1 Per 2,000 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