High-density polyethylene (black)vent for BUR and modified bitumen applications or UV stabilized PVC (white) for PVC membrane and TPO applications. Ex-flow (one-way), M-105 (Two-way)
Size/Part #
Ex-flow / M-105 - BLACK ONE WAY
PN: BV-1070
Ex-flow / M-105 - PVC WHITE ONE WAY
PN: BV-1080
Ex-flow / M-105 - TPO WHITE ONE WAY
PN: BV-1095
Ex-flow / M-105 - BLACK TWO WAY
PN: BV-1110
Ex-flow / M-105 - PVC WHITE TWO WAY
PN: BV-1120
Ex-flow / M-105 - TPO WHITE TWO WAY
PN: BV-1121
Packed 25/carton
| Overall height | Base opening | Flange diameter | Flange material | Recommended spacing |
| 8" | 5-1/4" | 10-1/2" | HDPE or PVC | 1 Per 1,000 SQ. FT. |
Type: Accessories
Material: Aluminum
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