5" DuraVent DuraTech Galvalume Flat Roof Flashing - 5DT-FF
This flat roof flashing is used to weather-proof the penetration of chimney pipe through the roof. Storm Collar required.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.