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8 Inch DuraTech Galvalume Factory Built Solid Pack Chimney Pipe

We cannot ship any of the items on this page to Alaska, Hawaii, Puerto Rico or Canada.

DuraTech sets the standard in performance. The ThermalTech blanket insulation in the lengths, elbows, and tees eliminates hot spots, with no shifting, settling, or voids. In the event of a creosote fire, this insulation lets the chimney liner expand outward and lengthwise, eliminating buckling and loss of structural integrity.

DuraTech uses twist-lock connections and is available with stainless or galvalume outer wall. The inner liner is 430-alloy stainless steel. Outer diameters are 2" larger than the inner.

Refractory insulation encased between two walls keeps the outer wall cool, while ensuring high flue gas temperatures for optimum draft performance. Please note: To calculate installed length of 5", 6", 7", or 8" DuraTech Chimney, subtract 1 1/4" from each joint overlap of chimney pipe. Allow a minimum of 2" air space to combustibles when installing DuraTech Chimney.

5" - 8" Diameters - Designed for appliances that are tested and listed for use with a 21000F HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Available in stainless steel (5"-8") or galvalume (6" and 8") outer casing and stainless steel inner wall with twist-lock connections.
  • 2 inch clearance to combustibles.
  • Free-floating 430-alloy inner liner maintains structural
  • Limited Lifetime Warranty
  • UL Listed to 103HT
6" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-06
DuraTech 6 Inch Straight Pipe
8" x 6"
Ocp70926
$97.99
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12" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-12
DuraTech 12 Inch Straight Pipe
8" x 12"
Ocp70928
$137.99
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18" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-18
DuraTech 18 Inch Straight Pipe
8" x 18"
Ocp70930
$173.49
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24" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-24CF
DuraTech 24 Inch Straight Pipe
8" x 24"
Ocp70932
$239.99
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36" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-36CF
DuraTech 36 Inch Straight Pipe
8" x 36"
Ocp70935
$317.99
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48" Straight Pipe
Outer diameters are 2" larger than the inner. Features inner wall of .020" 430 stainless steel. Outer wall of .021" galvalume steel. A Refractory insulation is encased between walls. Stainless steel end rings seal the pipe. Twist-Lock Fitting.
MFG #8DT-48CF
DuraTech 48 Inch Straight Pipe
8" x 48"
Ocp70940
$365.99
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8" Locking Band
Use for extra security at pipe, elbow, and tee joints. Optional..
MFG #8DT-LB
8 Inch Locking Band
8"
Ocp70841
$21.99
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Elbow Kit
Elbow Kit includes: 2 Elbows and 1 Elbow Strap. Use for offsets around obstructions such as rafters, ridgepoles, or joists. May have two pairs of elbows, if needed. Offsets greater than 30 degrees are not permitted in accordance to UL 103 standards. Elbows swivel 3600 at base (angles are not adjustable). A pair of elbows is required to return an offset chimney back to vertical.
MFG #'s8DT-E15K, 8DT-E30K
Elbow Kit
8" 15 Degree Elbow
Ocp70824
$530.49
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8" 30 Degree Elbow
Ocp70828
$605.49
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Adjustable Elbow Strap
Use to prevent excessive weight on the elbows by supporting the weight of the chimney. Required to be installed between two elbows in offset installations. Multiple elbow straps may be required for offset installations. Refer to installation instructions.
MFG #6DT-AES
Adjustable Elbow Strap
8"
Ocp2473541
$73.99
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Square Ceiling Support Box
Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twistlock. Suitable for both flat and cathedral (A-Frame) ceiling applications. Also use in short attic spaces (see instructions). Fits between standard 16" on-center joists and most manufactured home applications. Supports up to 60' of DuraTech Chimney. A 2" wide trim collar is included. Painted black.
MFG #'s8DT-CS11, 8DT-CS24, 8DT-CS36
Square Ceiling Support Box
8" X 11" Tall
Ocp70853
$256.99
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8" X 24" Tall
Ocp70855
$264.49
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8" X 36" Tall
Ocp3604550
$334.99
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Round Ceiling Support Box
Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist-lock. Supports up to 60' of DuraTech Chimney. Painted black. Trim collars are sold separately.
MFG #8DT-RCS
Round Ceiling Support Box
8"
Ocp70850
$197.99
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Trim Collar for Round Support Box
Conceals the gap between the Round Ceiling Support Box and the ceiling cutout. Painted black.
MFG #7DT-TCR
Trim Collar for Round Support Box
8"
Ocp70752
$82.49
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Trim Collar for Roof Support
Conceals gap between chimney pipe and ceiling cut out when used with Roof Support. Galvalume. Painted black.
MFG #'s8DT-RSTC3, 8DT-RSTC6, 8DT-RSTC9
Trim Collar for Roof Support
8" Roof Pitch of 0/12 - 3/12
Ocp70861
$102.99
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8" Roof Pitch of 4/12 - 6/12
Ocp70862
$102.99
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8" Roof Pitch of 7/12 - 9/12
Ocp70863
$102.99
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Adjustable Roof Support
Designed to support the DuraTech Chimney and allows the chimney to pass through the roof and extend down the ceiling. Ideal for cathedral ceilings and free-standing appliance installations. Supports a maximum total chimney length of 45' above and 20' chimney below Roof Support. Adjustable to different roof pitches. Adjusts between 8 to 10 inches.
MFG #6DT-ARS
Adjustable Roof Support
8"
Ocp2473535
$122.99
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Slip Connector With Trim
Used to adapt DuraBlack pipe to 6" - 8" Ceiling Support Box, including DuraTech, and DuraPlus. The Slip connector can also be added to 6" - 8" DuraTech finishing collar. Adds 3"-13" of length to rigid pipe. Provides a strong mechanical connection.
MFG #8DBK-SC
Slip Connector With Trim
8" X 14"
Ocp114991
$68.49
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Snap-Lock Adaptor With Trim
Connects into the ceiling support box or finishing collar and extends down to fit into stovepipe for a drip-free connection to a DuraTech, DuraPlus, or DuraLiner Chimney system. Provides a strong mechanical connection. Adapter will work with all 6"-8" DuraPlus, and 7"-8" DuraTech installations. Adapter will work with 5"-6" DuraTech Ceiling Support Box installations only.
MFG #8DBK-ADSL
Snap-Lock Adaptor With Trim
8"
Ocp114995
$105.49
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Finishing Collar with Adapter
New integrated collar with adapter, fits into the female end of the chimney pipe to provide a decorative black finish. Use on chimney pipe that is suspended with the roof support system or on pipe that is passing through a wall thimble. Provides proper connection to DVL or DuraBlack. No other adapter is needed.
MFG #8DT-FC
Finishing Collar with Adapter
8"
Ocp70838
$89.99
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Standard Tee With Cap
Use for through-the-wall installations. Includes removable tee cap for easy chimney cleaning or inspection. Wall Straps, a Wall Thimble, and an Adjustable Tee Support Bracket must be installed with the Tee as directed. Available in stainless steel or with a galvalume outer wall and stainless steel inner wall. See installation instructions for proper location and installation of Tee.
MFG #8DT-ST
Standard Tee With Cap
8"
Ocp70946
$391.99
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Adjustable Tee Support Bracket
Use as wall support for chimney system. Use of straps is optional. Supports up to 50' of DuraTech Chimney without straps, and 70' of DuraTech Chimney with straps. Attaches to chimney pipe. Can be installed above or below the Tee. If installed below the Tee, a short section of pipe is required. Adjustable base provides 2" to 6" clearance to wall.
MFG #8DT-TSB
Adjustable Tee Support Bracket
8"
Ocp70832
$219.49
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Wall Thimble
Adjusts from a minimum of 5 1/2" to a maximum of 9 1/2" wall thickness, and fits between standard wall studs. To accommodate thicker walls, the telescoping pieces can be extended up to 16" witha field-fabricated extension installed. Interior trim ring painted black. Must be installed with DuraTech chimney pipe horizontally through the wall and extend 6" into the room beyond the interior wall.
MFG #8DT-WT
Wall Thimble
8" X 5 1/2"
Ocp70836
$151.99
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Attic Insulation Shield
Required for installations that pass through an attic to prevent insulation and debris from accumulating near the chimney. Fits over Firestop Radiation Shield or a support box. Consists of two parts - a collar and a base.
MFG #8DT-IS
Attic Insulation Shield
8"
Ocp70872
$162.99
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Adjustable Extended Roof Bracket
Extended roof bracket; provides additional support for the chimney when the chimney extends more than 5' beyond the roof; the legs will extend to handle varying roof slopes. New sandwich clamps allow legs to be extended to any length from 67" to 114". No drilling required.
MFG #6DT-XRS
Adjustable Extended Roof Bracket
8"
Ocp2473543
$164.49
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Firestop Radiation Shield
Use in ceiling/floor penetrations when a ceiling support is not used. Not required when passing through the roof. Fits on underside of ceiling and adjusts to cover framing.
MFG #8DT-FRS
Firestop Radiation Shield
8"
Ocp70870
$125.99
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Chimney Cap
Required where pipe terminates above the roof line. Removable screws allow for cleaning of the chimney and spark arrestor screen. Made of stainless steel. See with optional Spark Arrestor screen below.
MFG #8DT-VC
Chimney Cap
8"
Ocp70845
$242.99
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Spark Arrestor
Use on inside of cap. Optional Spark Arrestor may be required.
MFG #5DT-SA
Spark Arrestor
8"
Ocp115001
$33.49
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Snow Splitter
Three times thicker and stronger, allowing it to stand up against heavier snow loads. Bendable attachment flanges allow it to mount on any roof slope. Use to divert snow around chimney, vent and roof flashing. Constructed of paintable galvanized material. Ships flat for easy assembly. Works with 6", 7", 8", and 10".
MFG #6DT-SP
Snow Splitter
8"
Ocp115002
$181.49
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Anchor Plate
Use to attach DuraTech Chimney to an appliance or masonry fireplace. Check with appliance manufacturer to ensure DuraTech Chimney is approved for use.
MFG #8DT-AP
Anchor Plate
8"
Ocp70877
$135.99
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Transition Anchor Plate
Use when converting from DuraLiner to DuraTech in chimney restoration. Use with a DuraLiner Slip Connector and Hanger.
MFG #8DT-AP17x17
Transition Anchor Plate
8"
Ocp70837
$488.49
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Slip Connector and Hanger
Use with Transition Anchor Plate to connect DuraLiner to DuraTech, DuraPlus, or DuraTech Premium chimney.
MFG #8DLR-SCH
Slip Connector and Hanger
8"
Ocp69198
$131.49
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Wall Strap
Use in interior or exterior installations to add lateral support to the chimney. Assures a 2" to 6" clearance to combustible walls. Required every 8 feet.
MFG #8DT-WS
Wall Strap
8"
Ocp70840
$87.99
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Adjustable Wall Strap
Stabilizes chimney while ensuring a minimum 2 inch clearance to combustibles. Can adjust out to 6 inch clearance if needed. One part covers 2 diameters (6 & 8 inch).
MFG #6DT-AWS
Adjustable Wall Strap
8"
Ocp2473537
$78.99
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Adjustable Extended Wall Support
Supports up to 20 feet of chimney. Tee Support is not necessary when using this support. For 8 inch diameter, it adjusts from 7 to 14 inches.
MFG #6DT-XWS
Adjustable Extended Wall Support
8"
Ocp3558793
$168.99
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Adjustable Roof Flashing
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". Made of galvalume.
MFG #'s8DT-F6, 8DT-F12
Adjustable Roof Flashing
8" Roof Pitch of 0/12 - 6/12
Ocp70882
$154.49
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8" Roof Pitch of 7/12 - 12/12
Ocp70884
$200.49
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DSA Roof Flashing
Use with metal or tile roofs. Made of dead soft aluminum.
MFG #8DT-F6DSA
DSA Roof Flashing
8" Roof Pitch of 0/12 - 6/12
Ocp70834
$210.99
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Flat Roof Flashing
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". Made of galvalume.
MFG #8DT-FF
Flat Roof Flashing
8" Roof Pitch of 7/12 - 12/12
Ocp70880
$201.99
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DVL/DuraBlack Chimney Adapter with Trim
Use to connect from double-wall DVL and/or single-wall DuraBlack to DuraTech, DuraPlus, and DuraLiner for a throughthe-wall or ceiling support installation. Required for proper connection. Made of stainless steel.
MFG #8DVL-ADC
DVL/DuraBlack Chimney Adapter with Trim
8"
Ocp2465573
$58.99
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DVL Adapter
Use to connect from double-wall DVL to DuraTech, DuraPlus, and DuraLiner for a through-the-wall or ceiling support installation. Required for proper connection. Provides a strong mechanical connection. Painted black. Adapter will work with all 6"-8" DuraPlus, and 7"-8" DuraTech installations. Adapter will work with 5"-6" DuraTech Ceiling Support Box installations only.
MFG #8DVL-ADT
DVL Adapter
8"
Ocp114997
$100.99
Add to Cart
With a Refractory 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 10000F flue gas temperatures, DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard, including one hour at 14000F, plus three ten-minute chimney fire test at 21000F. 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 Refractory 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, five foot length pipe sections, and adjustable pipe lengths.

M&G DuraVent provides no warranty for the following professional products if such products are not installed by a trained professional installer: DuraTech®, DuraPlus HTC®, DuraChimney® II, PelletVent Pro®, DirectVent Pro®, FasNSeal®, FasNSeal® W2, FasNSeal® Flex, and PolyPro®, and M&G DuraVent’s relining products including DuraLiner®, DuraFlex® (SW, Pro, 316, 304), and Ventinox®.

• Any M&G DuraVent product sold by a non-approved website will not be warranted.

• Any customer that has bought product from a non-approved website will not be given technical assistance or support from M&G DuraVent.

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