DuraVent DuraTech 7" Diameter Chimney Roof Support h49 This standard 1" depth surround

This standard 1" depth surround is Matte Black

005″ 316 stainless steel

disintegrate or swell when exposed to water

which can be controlled separately to adjust the heat output as required

DuraVent DuraTech 7" Diameter Chimney Roof Support h49 This standard 1" depth surroundWith a Refractory insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25% thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTech's sleek 1" wall design provides for easy installations through 16" on center