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DuraVent Product Catalog

DuraVent Venting Pipe

CLASS A CHIMNEY PIPE

Double-wall all-fuel chimney system for professional installers

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.
Triple-wall all fuel chimney system for DIY installations
Materials and Construction
.016" 430 stainless steel outer wall or .018" galvanized steel outer wall. .018" aluminized steel intermediate liner. .016" 430 stainless steel inner liner. insulated layers of ceramic blanket plus ventilated air space. Locks tightly with a precision twist-lock connection.
Air-cooled chimney system for masonry fireplaces

Materials and Construction
.016" 430 stainless steel inner wall and .021" galvanized steel outer wall. For stainless steel outer wall, contact Customer Service.
Unitized pipe sections. No field assembly of inners and outers required.

Applications
DuraChimney II is a double-wall, air-cooled chimney system for use with masonry fireplaces which burn wood, oil, coal, or gas.

Listings
UL Listed to UL 103 and ULC S604 standards (MH7399).

Shrouds
UL Listed with DuraVent shroud specifications

Stove Pipe

Double-Wall interior stove pipe for connecting woodstoves to chimney

Materials and Construction
.016" stainless steel inner wall.
.018" galvanized outer, painted black.

Applications
Double-wall interior stovepipe for connecting wood stoves to manufactured chimney

Listings
c-UL-us listed to ULC S641 (MH14089)

Single-wall interior stove pipe for connecting woodstoves to chimney
DuraBlack:
24-gauge steel construction.
Lock-seamed. Painted black.

DuraBlack Stainless Steel:.020" 430 stainless steel

NEW! DuraBlack Welded: 22-gauge steel construction.
Welded. Painted black.

Applications
Single-wall interior stovepipe for connecting wood stoves to manufactured chimney.

Direct Vent Pipe

Unitized, co-axial venting system for direct vent gas or propane stoves and fireplaces

Materials and Construction
.020" aluminum inner wall. .018" galvanized steel outer wall. Painted outer walls made of laserwelded .018" galvalume steel. Caps also available in stainless steel and copper. Outer pipe brings combustion air to the appliance. Inner pipe exhausts flue gases to the outside. Gaskets or sealants not required (unless specified by the appliance manufacturer).

Applications
DirectVent Pro is a unitized, coaxial (concentric) venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.

Pellet & Biofuels

Laser welded double wall Biofuel venting system

Materials and Construction
Laser-welded, double-wall pipe with a .012" inner wall of 444 stainless steel and a .018" laser-welded galvalume outer wall. Painted black exterior available. Primary metal-to-metal connection seals joint. Encapsulated o-ring provides a secondary seal.

Applications
PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent biofuel products such as corn, switch grass, cherry pits, soybeans, coffee husks, sunflower hulls, walnut shells and wheat, to name a few. (Rated for continuous use flue temperaftures up to 570°F.)

Listings
c-UL-us Listed to UL 641 (MH8381 and MH14420).
ULC Listed to ULC S609, ULC/ORD C441 (CMH1439 and CMH1440).

Gas Vent Pipe

Type B round and oval gas venting system

Materials and Construction
Round Type B Gas Vent 3" - 8" and oval 4" - 6": Aluminum .012" inner wall, galvanized .018" outer wall. Round Type B Gas Vent 10" - 16": Aluminum .016" inner wall, galvanized .021" outer wall. Round Type B Gas Vent 18" - 3": aluminum .020" inner wall, galvanized .021" outer wall. 3"-16" diameters feature twist-lock fittings, screws required for 14" and larger diameters.

Applications
DuraVent's Type B Gas Vent system. Use with natural gas or liquid propane category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.

Listings
UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407).

Flexible single wall aluminum relining for masonry chimney

Materials and Construction
Single-wall .010" aluminum (2-ply of .005").

Applications
DuraFlex AL (DFAL) aluminum flexible relining for masonry chimney. Use with natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.

Listings
Listed to UL 1777 and ULC S635.

Relining

High temperature, insulated, double-wall masonry relining

Materials and Construction
.016" 304 stainless steel inner liner. Rigid relining pipe: double-walled with 304 stainless steel inner and galvalume outer. Factory insulated between inner and outer walls. DuraLiner Rigid Pipe in round or oval, is constructed with built-in fittings and pre-drilled holes (stainless steel rivets included). Round 5" DuraLiner rigid pipe is constructed with built-in twist-lock and pre-drilled holes.

Applications
DuraLiner is a high-temperature, insulated double-wall masonry relining system for use with appliances fueled by gas, pellet, oil, wood, or coal. It safely protects masonry chimneys from the damaging effects of flue product condensation

Listings
UL Listed to UL 1777 (MH14420), ULC Listed to ULC S635 .

Ultimate single-wall flexible steel liner for strength and flexibility

Materials and Construction

Single-wall .005" 316 stainless steel.

Applications
Ultra flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters

Listings

Listed to UL 1777 and ULC S635 (MH45609)

Smooth inner-wall flexible stainless steel liner

Materials and Construction
Single-wall .005" overlapped 316 stainless steel (totalling .010"). Overlapped to create smooth inner wall.

Applications
Smooth wall flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.
Listings
UL 1777 (MH45609).

Lighter, more economical flexible liner

Materials and Construction
DuraFlex 316 & 304: Single-wall .005? 316 or 304 stainless steel.

Applications
DuraFlex 316 flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliance. Applications include: fireplace inserts, furnaces, boilers, and water heaters. 316 is designed for use in harsher conditions, for more resistance to corrosion, such as coal.
DuraFlex 304 flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.

Listings
DuraFlex 316 & 304: Listed to UL 1777 and ULC S635 (MH45609).

Welded, flexible stainless steel relining for masonry chimneys

Materials and Construction
VFT Single-wall, .006" 316 stainless steel. Continuous weld delivers a strong, air and water tight flue gas conduit. 
VG Single-wall, .006" AL29-4C stainless steel. Continuous weld construction.

Applications
VFT flexible liners are used for upgrading or restoring masonry chimneys that vent Category I natural gas, propane or oil appliances, wood or pellet stoves, fireplaces and fireplace inserts. VG flexible liners are top performers when used to line masonry chimneys venting Category I gas-fired boilers, furnaces, space and water heaters.

Listings
UL Listed to UL 1777 and ULC S635 (MH11476).

Special Gas Vent

AL29-4C single-wall special gas vent system

Materials and Construction
3"?7": AL29-4C .016"
8"?12": AL29-4C .019"
14"?24": AL29-4C .024"

Applications
FasNSeal is for use with natural gas or propane Categories II, III and IV appliances or Canada's Type BH Gas Vent Systems, having a maximum rated operating temperature of 480°F and a maximum positive pressure of 15" (FasNSeal Flex 6") water column. FasNSeal can be used on a wide range of applications, including: high efficiency gas boilers, furnaces, booster heaters, pool heaters, water heaters, unit heaters, or tankless water heaters.

Listings
UL Listed to UL 1738 and ULC S636.

Polypropylene Vent Pipe

Polypropylene venting for high-efficiency condensing appliacne instalations. Chloride free, enviromentally safe.

Materials and Construction
Rigid pipe constructed of 2.2mm (minimum) thick polypropylene. Flex is double-wall polypropylene. EPDM or Viton gaskets.

Applications
PolyPro is a polypropylene vent pipe for use with ANSI Category II and IV gas-burning appliances, including highefficiency water heaters, condensing boilers and warm air furnaces. Poly Pro is listed by Intertek to the ULC S636 standard in Canada as a Class IIA, IIB and IIC vent system suitable for exhaust temperatures up to 230°F / 110°C, and a maximum positive pressure of 15 in-w.c.

Listings
Listed with the appliance in the USA, check with appliance manufacturer. Intertek / ETL listed to ULC-S636 Listed as a Class IIA, IIB, and IIC vent system.

Shop Get Started With a Kit
Get Started With a Kit
Shop Class A Chimney Pipe
Class A Chimney Pipe
Shop Black Stovepipe
Black Stovepipe
Shop Type L Pellet Vent
Type L Pellet Vent
Shop DirectVent Pro
DirectVent Pro
Shop Chimney Relining
Chimney Relining
Shop FasNSeal - AL29-4C
FasNSeal - AL29-4C
Shop Type B Gas Vent
Type B Gas Vent
Shop PolyPro
PolyPro

Product Series from DuraVent


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