M & G Duravent 6DT-F6 6 Inch Dura Vent Duratech Flashing 0/12-6/12 Pitch Galvanized storm Collar Not Included

Use to weather proof the penetration of chimney pipe through the roof. Storm Collar required. Select roof flashing based on pitch of roof. For example, a 6/12 pitch has a vertical rise of 6″ over a horizontal distance of 12″. Made of galvalume