DuraVent - This Aluminum Adjustable Roof Flashing with 4 Inch Inner Diameter from the Round Gas Vent series is a Type B gas component and consists of the duralock system for a tight seal. Use to weather proof the penetration of vent pipe through the roof. Storm Collar required. Select roof flashing based on pitch of roof. For pitches of 0/12 - 6/12. Made of galvalume. Features:
Fuel Type: Gas, Liquid Propane
Inner Diameter: 4"
Double Wall Construction
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov
1.99 Pounds (lbs)
17.5 Inches (In)
17.625 Inches (In)
Country of Origin
8.5 Inches (In)
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.
Galvanized Steel Outer Aluminum Inner
For Use With
Adjustable roof flashing used to weather proof the penetration of vent pipe through the roof. Select roof flashing based on pitch of roof. For pitches of 0/12 thru 6/12