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. |
The new drain you sent me home with worked perfectly and even though I wasn't a seasoned roofer, I was still able to put it in in six minutes. Thank everyone that helped me, you guys were a tremendous help and looking forward to doing business with you and your company soon.
— Brian, Maintenance, Buffalo, NY