Metalbest RV 3" Type B Gas Vent Tall Cone Adjustable Pitch Roof Flashing

3" Type B Gas Vent Tall Cone Adjustable Pitch Roof Flashing from the RV Collection Flashings are used to seal the opening where the chimney penetrates the roof and to divert rain and snow down from the roof and away from the chimney system. It is important to choose flashing that matches the pitch of your roof. This flashing works for up to 6/12 pitch and has over 8" cone height. Note: To determine your roof pitch, measure the number of inches from the end of a level 12” ruler down to the roof. This is the rise for 12 inches of run. For example, a rise of 5 inches is a 5/12 pitch. The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non-positional lock system, die formed ends, and eliminates the need for all cutting, fitting and special engineering. It has an improved joint design provides for a rapid and secure connection in seconds. The use of our "LockTab" feature gives installers the option of engaging this tab inste...