DuraVent DuraTech 8" Roof Radiation Shield d17.69 5 Minimum 4

5 Minimum 4

plus an Oxygen Depletion Sensor to continuously monitor CO2 levels

5 lbs of 1/4" reflective fireglass ‐ 1 sq

75" (in) Product Weight 2

DuraVent DuraTech 8" Roof Radiation Shield d17.69 5 Minimum 4With a Thermal Tech blanket 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. DuraTechs sleek 1" wall design provides for easy installations through 16" on