DuraVent 6" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - Flat Roof Flashing 6DT-FF

Is there a cost for shipping?
As a customer of Smokey Mountain we feel that you should pay NO Cost for shipping for any items to the lower 48 states as long as your order is over $350.
Is there any sales tax added to my order?
No Sales tax will be charged to your order unless it goes to California.
Can you ship to Alaska or Hawaii?
Yes we will gladly help get your large freight item (Fireplace, Pizza Oven MCM ect) to AK or HI just ask that you pay the extra cost to ship from the lower 48 to AK or HI. Feel Free to call or email brad for assistance. We are happy to help on this, and have done it a lot.
Product Description

DuraTech Collection 6" Class A Chimney Pipe Flat Roof Flashing

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

The DuraTech 6" Class A Chimney Pipe Flat Roof Flashing Roof flashing is used 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”. Made of galvalume. 6”-8” available with large base.


  • For Flat Roof
  • Inner Diameter: 6"
  • Outer Diameter: 8-1/4"
  • Height: 12"
  • Base Dimensions: 20-11/16" x 20-11/16"
  • Storm Collar is Required
  • UL Listed

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. 5”-8” DuraTech is a double-wall, all-fuel chimney system for use withwood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces thatare factory-built.

Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.



Dimensions and Measurements


8 in.
Inner Pipe Gauge


20.6875 in.
Outer Pipe Gauge

Pipe Inside Diameter

6 in.
Product Weight

4 lbs.
Vent Pipe Size


20.6875 in.

Characteristics and Features


Inner Pipe Material

430 Stainless Steel
Insulation Type

Thermal Tech
Outer Pipe Material

Pipe Class

Class A
Pipe Shape


Electrical and Operational Information

Fuel Type

All Fuel, Coal, Gas, Oil, Wood

Warranty and Product Information


Appliance, Boiler, Fireplace, Furnace, Ranges, Water Heater, Wood Stove, Zero-Clearance Fireplace
Approved for Commercial Use


UL Listed

UL Listing Number

UL 103 HT, ULC S604

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