Selkirk 3-Inch Diameter Type B Gas Vent Steel Adjustable Roof Flashing, 103825

The Selkirk 3-Inch Diameter Type B Gas Vent Steel Adjustable Roof Flashing is engineered to deliver a weather-tight seal while maintaining safe and efficient venting performance for gas appliances. Designed to accommodate roof pitches from flat to 6/12, this adjustable roof flashing is constructed with a rugged galvanized steel outer pipe that ensures long-lasting durability in a wide range of residential, light-commercial, and industrial applications. This roof flashing features die-formed ends that ensure uniform sizing for easy, secure connections, while internal spacing bends create a consistent insulating air space between the inner and outer pipe walls. These design features contribute to safe and efficient venting by maintaining proper air circulation and minimizing condensation buildup. A convenient lock tab feature allows for easy installation without the need for sheet metal screws, streamlining the setup process. Ideal for use with approved gas-fired Category I natural draft appliances, including tank water heaters, warm air furnaces, and residential boilers, this Type B gas vent component meets stringent UL 441 safety standards and complies with NFPA 54 and NFPA 211 codes. Whether used in single or multi-story buildings, the Selkirk Adjustable Roof Flashing delivers the reliability and performance professionals trust for safe gas vent installations.