10" Duravent DuraChimney II Double-Wall Chimney Pipe Roof Radiation Shield is required at the top of chase enclosure or where the chimney passes through the roof. A Roof Radiation Shield is not required if the chimney is unenclosed in the attic. Four plates (included)make up one shield. Three of the four plates shown. This product ships in approximately 1 days
Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause c