DuraVent DuraTech 6" x 11" Black Square Ceiling Support Box burncrete-log meets the strictest building codes

meets the strictest building codes

Solid Wood Tongue and Groove Corner Blocks: Incorporates the side panels of the cabinet with the foot of the cabinet

DVL: Double-wall stovepipe

Adds Mechanical Convection to Speed Room Heating

Choice of Traditional Charred

DuraVent DuraTech 6" x 11" Black Square Ceiling Support Box burncrete-log meets the strictest building codesWith 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