Founded by Robert Daniels "Sooty Bob " in 1978 Chimney has grown from a one-man operation to a national network of six warehouses and a manufacturing plant. From its headquarters in Fairfield Iowa Chimney plays a major role in providing for the Chimney industry.6 Inch Dura-Vent DVL Double-Wall Stove Adaptor M & G Duravent 6DVL-AD 6 Inch Dura-Vent DVL Double-Wall Stove Adaptor.Chimney has the privilege of serving over 80% of the chimney professionals in America.