DuraVent 20" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - Flat Roof Tall Cone Flashing

Class-A Flat Roof Tall Cone Flashing

Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer.

With 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. DuraTech's sleek 1" wall design provides for easy installations through 16" on center framing. Designed for normal, continuous operation at 1000° F flue gas temperatures, DuraTech is subjected to rigorous and stringent HT requirements of the UL standard, including one hour at 1400° F, plus three ten minute chimney fire tests at 2100° F.

Use to weather proof the penetration of chimney pipe through the roof. Storm Collar required. Select roof flashing based on pitch of roof. For example, a 6/12 pitch has a vertical rise of 6" over a horizontal distance of 12".

• Twist Lock End Rings allow the installer to safely and easily connect and disconnect chimney sections without mechanical fasteners. Encases insulation to prevent exposure to outside elements. No locking bands required.
• .020 Thick 430 Stainless Steel Inner Wall
• Light Weight Construction
• 1" Thick Double Wall Insulated Pipe has the smallest outside diameter available to allow easy placement between studs.
• Thermal Tech Insulation Blanket insures complete insulation coverage between inner and outer walls, preventing any hot spots from appearing due to expansion of the metal walls during operation. Hot spots could cause a fire.
• c-UL-us Listed to UL 103 and ULC S604 (MH7399)