12″ Diameter Chimney Supplementary Support

Use to help support weight of DuraChimney II. Supports a maximum of 25′ of chimney. Use additional Supplementary Supports as needed.

DuraChimney is a double-wall, air-cooled chimney system for use with masonry fireplaces which burn wood, oil, coal or gas. DuraChimney is an exceptional factory-built alternative to pre-fabricated masonry chimneys that provides a hot draft on the inside and proves a fire-safe design that protects both the chimney and the building.