DuraVent DuraTech 8" Diameter Chimney Roof Support MD36310 Sizing: Sizing: 36" – 120"

Sizing: Sizing: 36" – 120"

SPU6040N7/L7:

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Overall Dimension W 38" x H 41 3/8" x D 23 1/4" Inner Dimension FW 29 1/2" x RW 25" x H 22" x D 18 1/2" Framing Dimension W 38 1/4" x H 40 3/8" x D 24 3/4" Dimensions

DuraVent DuraTech 8" Diameter Chimney Roof Support MD36310 Sizing: Sizing: 36" – 120"With 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