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Chimney Pipes and Liners

Chimney pipes and chimney liners are critical parts of keeping your fireplace and your home working safely and efficiently. We offer chimney pipes and chimney liners to fit any home's needs that protect your chimney, prolong its life, and make sure you get all the function out of your fireplace or gas appliance it was intended to provide. Your chimney is an important part of your home; treat it right with chimney liner and pipes from here in our chimney store.
Class A Chimney Pipe
Class A Chimney Pipe
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Stove Pipe
Stove Pipe
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Chimney Liners
Chimney Liners
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Gas Vent Pipe
Gas Vent Pipe
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Pellet Vent Pipe
Pellet Vent Pipe
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Type B Vent Pipe
Type B Vent Pipe
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Direct Vent Pipe
Direct Vent Pipe
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B-Vent Chimney Liners
B-Vent Chimney Liners
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By Todd from Lake Tahoe on February 7, 2014
What is the most economical way to vent a top vent wood stove insert up a masonry chimney?
By Collin C. - NFI Master Hearth Professional on February 7, 2014

Answer:
By far the most cost effective solution is a 304 grade stainless steel flex liner. We offer several kits of varying length for this application. An example is the DuraFlex 6 Inch Diameter x 25 Foot Long Kit of 304-Alloy Light Chimney Liner. This will include the adapter to connect the liner to the stove, as well as the support plate and cap.

By Rich Tomczak from P{ine Island, NY on January 9, 2013
I am looking for all fuel chimney pipe 8T36 208036 which I purchased at Master Plumbing in Vernon NJ. 10 years ago. They no longer carry it. Could you please help me locate this pipe?





By Collin C. - NFI Master Hearth Professional on January 10, 2013

Answer:
The manufacturer has confirmed that the newer 8UT chimney system has replaced the 8T system that you have now. The parts are virtually the same and are readily interchangeable. The exact part that is equivalent to the 8T-36 you are looking for is the MetalBest Ultra-Temp 8 Inch Diameter x 36 Inch Chimney Pipe Length. Please let me know if I can help you in finding any other parts for this system.

By Susan from Ashland, OR on December 6, 2013
I am looking for an ornate stove pipe trim collar. In a 7" size. Can you help?
By Collin C. - NFI Master Hearth Professional on December 6, 2013

Answer:
Unfortunately, we do not carry trim collars that have an especially ornate pattern. The best example we offer is the Snap-Lock Black Steel Stovepipe Trim Collar - For Pipes with a 7-Inch Diameter. Anything more ornate would likely have to be custom made, as 7 inch is no longer a common size.

By Pete from Indianapolis, IN on July 8, 2013
We have a Comfort Glow B42LI-M wood burning box. First flue liner needs to be offset elbow. Should inner liner go inside outlet on box or should it be outside?

By Stuart from Gloucester, Va on January 3, 2013
Do you offer an elbow 22 1/2 & 45 degree chimney pipe? I have a wood burning stove. The chimney pipe will run through a chase in a room with a cathedral ceiling. I need to put my cap off to one side.
By Kevin E. - Fireplace Specialist on January 3, 2013

Answer:
Unfortunately, not. Class A chimney is only permitted to offset by 30 degree elbows. If you'd like to reply with the brand of chimney pipe you are using, we'd be happy to match up an elbow kit for you.

By Ricky from Peoria, IL on December 5, 2012
I have a cast iron wood burning stove with a single wall 8" black pipe coming up about 3 feet. I also have a chimney system (consisting of two pipes), inside pipe also 8" and outside pipe 12 1/2" or 12 3/8".

What kind of adapter am I looking for? The pipe/chimney system will be a straight vertical run up through the roof of my garage.
By Collin C. - NFI Master Hearth Professional on December 5, 2012

Answer:
Based on the dimensions of your Class A chimney pipe, it sounds as if this is an air cooled chimney system. This type of piping is only meant to be used with specific types of open faced fireplaces. As such, there is not an adapter to mate it to 8 inch, single wall stovepipe.

It would be necessary to use a solid pack chimney system, such as Simpson DuraTech or DuraPlus. These systems use a ceiling support to make the transition between the single wall pipe and the double/triple wall chimney system.

By Darrel from Iowa on November 30, 2013
I want to put an oil furnace in my shop. This is a steel building with a wood frame. The side walls are concrete up to 8 feet & 5 more to 13 feet are wood frame covered with steel. The chimney will be going straight up through the roof. I live in Iowa. What pipe can I legally use? I want the least expensive as money is an object.
By Tyler M. - NFI Certified Specialist on December 2, 2013

Answer:
Your oil furnace likely requires class A chimney pipe, and we have a variety of such pipe available. Please see our full selection here:

Class A Chimney Pipe

If you want a quote for everything you would need, please fill out our Chimney Pipe Design & Quote Form.

By Michael from Statesville, NC on January 18, 2014
I have an older wood burning fireplace insert that I believe is from the 70's. I constantly could smell ash in the house even after I had cleaned out the firebox. I decided to pull the insert out from the fireplace and found most of the insulation around the insert was crumbled into practically nothing. After reading on the internet I've learned that I need a chimney cap, a liner/pipe, and new insulation before I reinsert the box as I have none of these items in my masonry chimney. I have several questions though. The top of my insert has an opening that is 5" x 10". This is 50 sq in so should I get a pipe that has an inside diameter with the same sq in (an 8" ID pipe)? I believe I need a Class A insulated chimney pipe for this application, but I don't know if I also need a chimney liner. Could you tell me? With 20' of chimney what brand would you recommend that would give good results but also be economical?
By Collin C. - NFI Master Hearth Professional on January 20, 2014

Answer:
You are indeed correct that installing a liner within your masonry chimney is the best way to proceed. Older inserts with rectangular or oval openings were usually designed to be used without a liner, as they released enough heat to the chimney that a liner was not necessary. However, degradation of the insulation and downdrafting can cause the smell of ash to be prevalent.

You are correct on the size of the liner, as an 8 inch diameter is nearly exact in area to your opening. When venting up a masonry chimney, only an insulated liner is needed. Class A chimney is only used in a free standing application where no masonry chimney is present. To adapt to the 8 inch liner, a boot adapter, such as the HomeSaver Cast-Iron Insert Boot for 8 inch Chimney Liner is needed first. You can then use a complete liner kit, such as the DuraFlex SS Stainless Steel Chimney Liner - 8 inch x 20-ft and the DuraFlex SS Insert Kit for 8 inch Chimney Liner. The secondary kit includes the adapter needed to connect the liner to the cast iron boot, as well as the top plate and cap for the chimney. Depending on the size of your chimney flue and whether it is built on an inside or outside wall, you may or may not need insulation for the liner. If you would like to elaborate on the size of the flue and its location, I will be able to assist you further.

By Deanna from Conicville, VA on September 17, 2013
What kind of pipe do I need to vent a wood stove through a wall? We don't have a chimney.
By Tyler M. - NFI Certified Specialist on September 17, 2013

Answer:
You can use single- or double-wall stovepipe to vent the stove up to your wall, then transition to double- or triple-wall class A chimney pipe to pass through the wall into a tee, at which point the pipe will then run vertically up alongside your home over the roof. For a complete quote, please fill out our Chimney Pipe Design & Quote Form.

By Michael from Hickory, NC on November 16, 2013
When using an oval liner, should the adapter be sized so that the liner fits over the adapter or inside of the adapter?
By Chris on November 17, 2013

Answer:
When using sleeves and adapters, the male end of the liner should always be facing back towards the unit. This allows condensation to run back inside of the appliance as opposed to down the exterior of the liner itself.

By Diana from Northeast Texas on January 10, 2014
I was given a Timberwolf 2100 as a Christmas gift. I am unsure of which chimney product is best for this stove. Can you give me a recommendation?
By Tyler M. - NFI Certified Specialist on January 10, 2014

Answer:
We recommend the DuraVent stovepipe and chimney pipe system. You can use DuraBlack pipe for a single-wall stovepipe installation in the room with the stove, then transition to double-wall insulated DuraTech class A chimney pipe. Or, if you prefer, you can use double-wall DVL black stovepipe before adapting to the DuraTech pipe. Please fill out our Chimney Pipe Design & Quote Form for a full estimate with everything needed for installation.

By Lawrence on November 9, 2012
We are looking for a chimney pipe for a fireplace in a modular pre-built home: 12” x 8” x 4’ silver . We live at 5600 feet elevation and our present chimney is 10’ high from fireplace to top, 4’ above roof. We have a problem with smoke in the house. We want to extend our chimney for better draft.
on November 9, 2012

Answer:
From these measurements, it appears you may have triple-wall solid-pack chimney pipe. Can you provide the manufacturer of your existing pipe, so we can check availability of a compatible 4-foot piece? We would also recommend adding an extended roof support piece, since your pipe will extend eight feet over your roof; an extended roof support is intended for use when the pipe protrudes further than five feet above the roof. Please reply with the manufacturer of your current pipe and we will be happy to assist you in finding the appropriate pieces.
By Mike from Clarkridge,AR on March 16, 2014

Answer:
I have a modular home too, 2002 model. They use FMI pipe. 8 inch stainless inner pipe and a 12 inch outer pipe. Hope this helps.

By Brian on November 9, 2012
What type of pipe do I need for a Wood Burner it has 8” opening out the back? I am planning on putting a heat reclaimer fan on the pipe coming out, so inside it will be single wall stove pipe. When it goes out my wall I know it has to be double wall, but once outside do I continue to use double or can I go with single wall again?
on November 9, 2012

Answer:
Yes, you do indeed have to convert from single-wall pipe to double- or triple-wall Class A chimney pipe once you get to the wall. We have all of the components to make this work for you. We will be happy to provide you a quote for everything you need. Just fill out our Chimney Pipe Design & Quote Form.

By Robert on November 9, 2012
Can I use pellet stove pipe for a small pizza oven that burns both propane and wood? This is not a super high temp. oven, only about 500 - 600 degrees.
on November 9, 2012

Answer:
If solid fuel is being burned, Class A chimney must also be used. Pellet pipe is simply not rated for use with solid fuel appliances. We'd be happy to put a quote together for you for this pipe. We would just need the details of the installation.

By Johnathan Brown from Lafayette, LA on December 19, 2012
I have the BC-42 Majestic wood-burning fireplace and I am unable to fine the flue pipe in my area. Can you help me?
By Tyler M. - Fireplace Specialist on December 19, 2012

Answer:
The Majestic BC42 Royalton Woodburning Fireplace uses the SK8 double-wall chimney pipe (8" inner diameter and 11" outer diameter), which we carry. All of the compatible chimney parts can be found in the "Venting Components" tab on each item's individual page. You can see one example of this pipe here:

Majestic 4-Foot SK Series 8 in. Diameter Wood Burning Flue Section


By Dan from TN on March 12, 2013
The house I've recently bought was built in the 1960s and has following problem: The existing chimney was damaged by a lightning strike, so the previous owners had chimney taken down and roofed over. I want a fireplace. Can I use an ultra efficient fireplace insert and a chimney stack similar to the ones used in mobile homes? Are there other options?
By Tyler M. - NFI Certified Specialist on March 12, 2013

Answer:
You would need to choose a zero clearance fireplace that utilizes manufactured chimney pipe from the unit to termination. If you want a woodburning fireplace, you will need to also get the appropriate class A chimney pipe, and it must run from the unit to at least three feet over the roof (maybe more depending on your roof pitch and the location of your roof's peak). If you want a gas fireplace, you can choose a direct vent model that can be vented and terminated horizontally.
For more information about the gas options, please see our Gas Fireplace and Stove Buying Guide.

By Craig from Hamilton on September 9, 2013
How long does a gas liner last?
By Collin C. - NFI Master Hearth Professional on September 10, 2013

Answer:
While longevity will depend on the amount or humidity in the flue gases, the typical liner can last for 20 to 25 years under normal conditions. In extreme circumstances where high humidity is present, the life expectancy can be cut in half.

By John from GA on July 26, 2013
I'm replacing a chimney on the roof which consists of a 12" chimney pipe enclosed in wood box covered with stone. I'm going to just use a free standing pipe through the roof. It will need to extend about 7' and will be on a sloped roof. What components would I need for this application?
By Tyler M. - NFI Certified Specialist on July 26, 2013

Answer:
We sell a few different brands of class A chimney pipe, all of which must be used only with its own other components. For a 12" inside diameter, we only carry DuraVent's DuraTech brand pipe. You will need to identify the manufacturer or model information of your existing pipe before ordering components.

Chimney Pipe:  Chimney pipe is designed to vent appliances fueled by wood, oil, coal, and, in some cases, gas.  The most common variety is Class A. Gas Vent Pipe:  Gas pipe is used to vent appliances fueled by natural gas or propane.   Type-B and Direct Vent are both styles of gas piping. Stove Pipe:  Both wood stoves and freestanding fireplaces require stove pipe to connect to chimney piping or a masonry chimney. Pellet & Corn Vent Pipe:  Appliances that use corn or wood pellets should be vented with pellet pipe. Chimney Liners:  Chimney liners are used to reline damaged or unsafe masonry chimneys.  Many appliances also require you to use a liner when venting them through a chimney.

With such an expansive selection of pipes and liners for your chimney, it can be difficult to know which chimney liner or pipe to install in your chimney. A basic chimney pipe is generally designed to vent the byproducts of natural, solid fuel, like wood, oil and coal (and in some cases, gas). A Class A chimney pipe is the most common and it is ideal for high temperature situations.

Other chimney pipes available tend to have more specific applications. For instance, some people may choose to opt for a Class B chimney pipe. Although less effective in ventilation than a Class A pipe, Class B chimney products use the air in the form to aid combustion. This means they require less space and cost less than some other pipes. They are also relatively easy to install if you consider yourself a handyman.

The third option is a direct vent pipe, which uses fresh air from outside to aid combustion. It is very efficient and an ideal choice for airtight homes. The rest of the pipes apply to a specific type of fuel burned. A stove pipe is used to connect a freestanding wood stove or fireplace to a chimney to provide ventilation. A gas vent pipe vents appliances that burn gas, and a pellet vent pipe is ideal for a corn or pellet stove.

Chimney liners are crucial for the safe functioning of a fireplace, whether for a masonry chimney or a device that is vented through the chimney. Installing the optimal chimney liner in a damaged or unsafe chimney is not a step that can be overlooked.

If you need help choosing the right chimney pipes or chimney liner, contact our dedicated and knowledgeable agents. They will be happy to assist you.

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