4" Roof Flashing, Adjustable, Type B Gas Vent

The Hart & Cooley Roof Flashing, Adjustable, Series RF, 4 inch Pipe for Type-B Gas Vent

The Hart & Cooley Adjustable Roof Flashing (Series RF) is designed to provide a durable, weather-tight seal where a Type-B gas vent passes through a sloped roof. Sized for 4-inch diameter vent pipes, its adjustable design accommodates a variety of roof pitches while protecting the system from rain and debris infiltration.

• Compatible with 4-inch diameter Type-B gas vent systems.
• Adjustable design fits a range of roof slopes.
• Constructed of galvanized steel for strength and corrosion resistance.
• Provides a weather-tight seal around vent pipe penetrations.

Technical Data & Performance

• Series: RF (Roof Flashing) for Type-B gas vent applications.
• Material: Galvanized steel engineered for outdoor use and long service life.
• Function: Prevents water intrusion and debris entry while allowing proper venting.
• Applications: Ideal for furnaces, water heaters, and gas appliances venting through pitched roofs.