This 5 in. Type B Adjustable Roof Flashing features a durable galvanized-steel outer pipe with die-formed ends and internal spacing bends. It provides uniform air space between the pipe walls. This roof flashing is designed for use on approved gas appliances in residential, light-commercial and industrial applications.
- Durable galvanized steel outer pipe
- Internal spacing bends provide uniform insulating air space between the pipe walls
- Die-formed ends provide uniform sizing for strong, easy-to-connect joints
- Lock tab feature helps installers to engage the tab without sheet metal screws
- Designed for use on approved gas appliances in residential, light-commercial and industrial applications
- Tested and listed per UL 441 for installation in single and multi-story buildings in accordance with national fire protection association standards NFPA 54 and NFPA 211
- Type B gas vent is also referred to as b vent or type b vent
- Some common applications may include warm air furnaces, tank water heaters, residential boilers, common vented appliances and more
- Used on gas-fired category I natural draft appliances









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