DuraVent DuraTech 8" 0/12 - 6/12 Pitch Roof Flashing radiant-and-support Dimplex 39" Tamperproof Glass Door

Dimplex 39" Tamperproof Glass Door for BF39DXP 39" Built-In Firebox

Model 7DT-SC Series DuraTech DT (5"-8") Product Type Storm Collar (Size) Inside Diameter 7”- 8” A 9”- 10” B 15”- 16” Technical Dimensions

For Napoleon Ascent 42 Series Gas Fireplace

Energy Efficient

Natural Heat Resistance - Authentic lava rock offers classic design

DuraVent DuraTech 8" 0/12 - 6/12 Pitch Roof Flashing radiant-and-support Dimplex 39" Tamperproof Glass DoorWith 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