Lindemann B-Vent Storm Collar in Silver

Use to maintain a weather tight resistant seal between the pipe and the flashing. DuraVent s Type B Gas Vent system. Use with natural gas or liquid propane category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications. These Roof Flashings for Type B Gas Vent are made with galvalume, and used to weather proof the vent pipe that reaches past the roof. Available in either adjustable or steep designs, the Adjustable Roof Flashing has a range from 0/12 to 6/12, while the Steep Roof Flashing has a range from 7/12 to 12/12. Storm Collars are used to maintain a tight, weather resistant seal, and are required when installing these roof flashings.