DuraVent -DuraTech® 5"-8" Double-Wall Chimney System

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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.


Category: chimney stacks | fireplace chimneys | gas vent pipes...

MasterFormat: Manufactured Fireplace Chimneys | Central Heating Equipment | Breechings, Chimneys, and Stacks...



DuraVent
877 Cotting Ct.
Vacaville, CA 95688
Tel: (800) 835-4429
Fax: (707) 446-4740

customerservice@duravent.com

https://duravent.com/

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Overview


DuraTech® 5"-8" Double-Wall Chimney System

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. For tight installations, a Reduced Clearance Square Ceiling Support Box is available (6″ diameter DuraTech only).

Designed for normal, continuous operation at 1000°F flue gas temperatures, DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard, including one hour at 1400°F, plus three ten-minute chimney fire test at 2100°F.

Specifications

Applications

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

Materials and Construction

5”-8” diameter pipe features inner wall of .020” 430 stainless steel. Outer wall options of .016” 430 stainless steel or .021” galvalume steel.
A Thermal Tech (ceramic refractory) blanket insulation is encased between walls. Stainless steel end rings seal the pipe.

DuraTech features light weight insulation, twist-lock fittings, support boxes with factory installed starter sections, elbows with 360° swivel base, select black finish pipe lengths, and five foot length pipe sections.

Clearances

2″ clearance to combustibles.

Shrouds

UL Listed with DuraVent shroud specifications.

Diameters

5″-8″

Listings

c-UL-us Listed to UL 103 HT and ULC S604 (MH7399) (Stainless steel outer wall required for installation in Canada.)


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