DuraVent DuraTech 8" Galvalume Wall Thimble burning-media Max/Min BTU Natural Gas: 34

Max/Min BTU Natural Gas: 34

or other non-combustible materials right up to the fireplace opening for a clean

Burnt log pieces

these premium heat deflectors will reduce the top clearance to only 14″

it maximizes reinforcement

DuraVent DuraTech 8" Galvalume Wall Thimble burning-media Max/Min BTU Natural Gas: 34With 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