Ubbink OFT-4 Bitumen Flat Roof Vent Terminal - Twin Wall (166mm Diameter) Tiles up to 120mm Ubbink UB35 Data Sheet
Baker’s notes & crumb story
Description
Ubbink OFT 4 Bitumen Flat Roof Vent Terminal Twin Wall (166mm Diameter) Tiles up to 120mm Ubbink UB35 Data Sheet Ubbink UB35 Data Sheet Pipe Suitability: 5 127mm The Ubbink OFT 4 has a 166mm diameter stack for a 150mm Pipe No rain ingress