About the DuraVent 7" DuraTech Large Base Adjustable Roof Flashing (7/12 - 12/12) - M&G DuraVent 9550LB 7DT-F12L
Save on the DuraVent 7" DuraTech Large Base Adjustable Roof Flashing (9550LB, 7DT-F12L) at PlumbersStock. The flashing is designed to weather proof the chimney pipe but it requires a storm collar (sold separately). The roof flashing is made of galvalume and is meant for a roof with a vertical rise between 6" and 12" over a horizontal distance of 12".