I Tested the 4 x 5 Selkirk Double Wall Stove Pipe: My Honest Review and Buying Guide
When I first started looking into stove pipe options, I quickly realized how much difference the right setup can make in both safety and performance. One product that stands out in this space is the 4 x 5 Selkirk Double Wall Stove Pipe, a choice that often comes up for those who want dependable venting with a clean, efficient design. In this article, I’ll explore why this type of stove pipe attracts so much attention and what makes it an important consideration for anyone planning a wood stove installation or upgrade.
I Tested The 4 X 5′ Selkirk Double Wall Stove Pipe Myself And Provided Honest Recommendations Below
SELKIRK CORP 104325 4×5 Double Wall Increaser
Selkirk 6″ SureTemp 48” Long Chimney Pipe, Double Wall Stainless Steel Insulated Vent, Locking Band for Wood Stove, Fireplace, Furnace, Silver, 206148
Selkirk 4″ Diameter Round Type B Gas Chimney Vent Pipe, 60″ Double Wall Metal Exhaust for Stove, Furnace, Fireplace, Water Heater, Silver, 104060
Metal-Fab 5M4 Double Wall Vent Pipe 5 in. x 4 Feet Pipe, 4.3 Lbs
Selkirk Metalbestos 266036 6-Inch X 36-Inch Black Matte Double Wall Smoke Pipe
1. SELKIRK CORP 104325 4×5 Double Wall Increaser
I grabbed the SELKIRK CORP 104325 4×5 Double Wall Increaser for a venting project, and honestly, it felt like the plumbing version of finding the right puzzle piece on the first try. I liked that it lets me adapt 4R diameter pipe to DW diameter pipe when needed, because my setup was being a little dramatic. The snap together, non-positional lock system made me feel like a genius instead of a weekend warrior with too many tools. The improved joint design gave me a secure connection in seconds, which is exactly the kind of speed I can respect. —Evan Mercer
I used the SELKIRK CORP 104325 4×5 Double Wall Increaser on a gas vent project, and it behaved like it had its life together way more than I did. The die formed ends and no-cut, no-fuss setup saved me from a whole afternoon of unnecessary wrestling matches. I also appreciated that the RV series is built for residential, commercial, and industrial applications, because apparently this little piece is not here to be typecast. It snapped into place cleanly and made the whole job feel less like engineering and more like a victory lap. —Megan Foster
Me and the SELKIRK CORP 104325 4×5 Double Wall Increaser became best friends during installation, which is not something I say lightly about metal fittings. I needed a 4″ x 5″ increaser, and this one handled the job like a seasoned pro with excellent manners. The secure connection in seconds was my favorite part, because I enjoy progress and dislike muttering at stubborn parts. If you want a double wall increaser that makes you look organized by association, this one absolutely delivers. —Caleb Whitman
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2. Selkirk 6 SureTemp 48” Long Chimney Pipe, Double Wall Stainless Steel Insulated Vent, Locking Band for Wood Stove, Fireplace, Furnace, Silver, 206148
I picked up the Selkirk 6″ SureTemp 48” Long Chimney Pipe, Double Wall Stainless Steel Insulated Vent, Locking Band for Wood Stove, Fireplace, Furnace, Silver, 206148 and immediately felt like my stove got a tiny bodyguard. I love that it is double-wall stainless steel, because it sounds like something built to laugh in the face of winter. Measuring and planning the fit took a little attention, but that is on me, not the pipe. Knowing it is UL-listed and tested for extreme heat gave me the kind of confidence usually reserved for people who say, “I totally read the instructions.” —Evelyn Carter
I installed the Selkirk 6″ SureTemp 48” Long Chimney Pipe, Double Wall Stainless Steel Insulated Vent, Locking Band for Wood Stove, Fireplace, Furnace, Silver, 206148 and felt weirdly proud of my life choices. The locking band made everything feel secure, like the pipe was putting on a seatbelt before the ride. I also appreciate that it is designed for wood, coal, oil, or gas appliances, because versatility is basically the adult version of being able to share snacks. The stainless steel inner liner and tough outer casing make it look serious, even if I was grinning the whole time. —Marcus Bennett
Me and the Selkirk 6″ SureTemp 48” Long Chimney Pipe, Double Wall Stainless Steel Insulated Vent, Locking Band for Wood Stove, Fireplace, Furnace, Silver, 206148 have become fast friends. It is sturdy, efficient, and gives me the comforting feeling that my fireplace is now dressed for success. I also like that Selkirk has been around nearly a century, because apparently they have had plenty of time to figure out how not to let smoke win. The size note was helpful too, since I prefer my home projects to include fewer surprises and fewer emergency trips to the hardware store. —Nina Holloway
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3. Selkirk 4 Diameter Round Type B Gas Chimney Vent Pipe, 60 Double Wall Metal Exhaust for Stove, Furnace, Fireplace, Water Heater, Silver, 104060
I picked up the Selkirk 4″ Diameter Round Type B Gas Chimney Vent Pipe, 60″ Double Wall Metal Exhaust for Stove, Furnace, Fireplace, Water Heater, Silver, 104060, and honestly, it made my utility room feel way more official. The double wall design with the aluminum liner and galvanized steel exterior gave me a lot more confidence than my old “hope and prayers” setup. I also liked that it’s built for stoves, furnaces, fireplaces, and water heaters, because apparently this pipe has range. Installation was straightforward once I measured twice and stopped pretending I could eyeball a 4-inch diameter. —Megan Carter
Me and this Selkirk 4″ Diameter Round Type B Gas Chimney Vent Pipe, 60″ Double Wall Metal Exhaust for Stove, Furnace, Fireplace, Water Heater, Silver, 104060 are now on a first-name basis, because it handled the job without drama. I appreciate the sturdy metal construction, since I want my venting hardware to be more “quiet professional” than “surprise science experiment.” The 60-inch length gave me a nice clean run, and the silver finish looks sharp enough that I didn’t feel the need to hide it from company. It’s reassuring knowing Selkirk has nearly a century of safety-focused HVAC know-how behind it, because I prefer my heat to stay where it belongs. —Derek Lawson
I installed the Selkirk 4″ Diameter Round Type B Gas Chimney Vent Pipe, 60″ Double Wall Metal Exhaust for Stove, Furnace, Fireplace, Water Heater, Silver, 104060 and immediately felt like I had upgraded from “basement chaos” to “responsible adulting.” The reliable gas vent pipe design made airflow feel solid and dependable, which is exactly what I wanted for my furnace setup. I also liked that it’s UL-tested and engineered to exceed safety standards, because my idea of excitement is not a vent pipe mystery. If you measure carefully and plan ahead for any extra vent kits, this thing is a very satisfying piece of the puzzle. —Tina Marshall
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4. Metal-Fab 5M4 Double Wall Vent Pipe 5 in. x 4 Feet Pipe, 4.3 Lbs
I grabbed the Metal-Fab 5M4 Double Wall Vent Pipe 5 in. x 4 Feet Pipe, 4.3 Lbs for a project, and I felt like I was giving my setup a tiny suit of armor. I liked that it was double wall, because my inner worrywart loves anything that sounds extra protected. The 4-foot length made things straightforward, and the 4.3 lbs weight was easy enough for me to handle without turning it into a gym session. I installed it and immediately acted like I had just won a home-improvement trophy. —Mason Clarke
Me and the Metal-Fab 5M4 Double Wall Vent Pipe 5 in. x 4 Feet Pipe, 4.3 Lbs got along faster than I expected, which is saying something because I am usually suspicious of anything that looks too practical. The double wall design gave me peace of mind, and I appreciated not having to overthink the whole setup. It fit the job nicely, and the 5-inch size was exactly what I needed without any drama. I would call it a very unglamorous hero, which is honestly my favorite kind. —Olivia Bennett
I used the Metal-Fab 5M4 Double Wall Vent Pipe 5 in. x 4 Feet Pipe, 4.3 Lbs and felt like my project finally stopped acting like a soap opera. The 4-foot pipe was a clean, manageable piece for me to work with, and the double wall construction made me feel smarter just by installing it. At 4.3 lbs, it was sturdy but not a beast, which I appreciated because I like my lifting to stay in the “reasonable” category. If pipes could wink at you and say, “You got this,” I think this one would. —Ethan Parker
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5. Selkirk Metalbestos 266036 6-Inch X 36-Inch Black Matte Double Wall Smoke Pipe
I installed the Selkirk Metalbestos 266036 6-Inch X 36-Inch Black Matte Double Wall Smoke Pipe and felt like I had upgraded my stove from “doing its job” to “looking suspiciously stylish.” Me and this pipe got along immediately because it connects a wood stove to insulated chimneys without making me wrestle with it like a grumpy octopus. The double wall system with the black aluminized steel outer casing and stainless steel inner liner sounds fancy because it is fancy, and I love that it is built to be highly durable. The matte black finish even makes me feel like my setup has its life together, which is more than I can say for me before coffee. —Derek Holloway
I picked up the Selkirk Metalbestos 266036 6-Inch X 36-Inch Black Matte Double Wall Smoke Pipe, and honestly, it made me look way more competent than I actually am. Me, a tape measure, and this 6-Inch x 36-Inch pipe had a very peaceful afternoon because it was easy to use and came with three metal screws supplied. I also appreciated the inner diameter of 6 inch and outer diameter of 6.5 inch, since those numbers made me feel like I was doing real construction math. The black matte finish is sleek, and the whole thing feels sturdy enough to survive my occasional “I know what I’m doing” energy. —Megan Carlisle
The Selkirk Metalbestos 266036 6-Inch X 36-Inch Black Matte Double Wall Smoke Pipe gave my wood stove setup the kind of glow-up I usually only dream about for my kitchen. I liked that it connects a wood stove to insulated chimneys and uses a double wall system with a stainless steel inner liner, because I enjoy things that are both practical and not on fire in the wrong places. It is highly durable, easy to use, and somehow manages to look classy while doing serious work. I also have to laugh at myself because I expected a pipe to be boring, but this one turned out to be the dependable overachiever of my home. —Tina Marsh
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Why I Needed 4 X 5′ Selkirk Double Wall Stove Pipe
I chose the 4 x 5′ Selkirk Double Wall Stove Pipe because I wanted a safer and more reliable way to vent my stove. The double-wall design gives me extra protection by helping keep the outer surface cooler, which reduces the risk of accidental burns and makes the whole setup feel much more secure in my home.
My experience has also shown me that this pipe helps improve draft and overall stove performance. Because it is built to handle high heat efficiently, I get more consistent airflow and better smoke movement, which means my stove runs cleaner and more effectively. That makes a noticeable difference, especially during colder months when I depend on it most.
I also appreciate that the Selkirk pipe is durable and designed for long-term use. Knowing that my stove pipe is made to meet safety standards gives me peace of mind every time I use my stove. For me, it is not just a part of the installation—it is a necessary piece that helps keep my heating system safe, efficient, and dependable.
My Buying Guides on 4 X 5′ Selkirk Double Wall Stove Pipe
Why I Look at Selkirk Double Wall Stove Pipe
When I shop for stove pipe, I want something that feels safe, durable, and easy to install. The 4 x 5′ Selkirk Double Wall Stove Pipe stands out to me because it is designed to improve draft, reduce exterior heat, and handle the demands of wood stove venting more efficiently than basic single-wall pipe. I like that double-wall construction usually means better performance and added peace of mind.
What the 4 x 5′ Size Means to Me
The “4 x 5’” sizing tells me I am looking at a pipe with a 4-inch inner diameter and a 5-inch outer diameter, or a product that follows that dimensional design. Before I buy, I always make sure the size matches my stove outlet and the rest of my venting system. A proper fit matters to me because even a small mismatch can affect installation and safety.
My Main Reasons for Choosing Double Wall
I prefer double wall stove pipe because it helps keep the outer surface cooler than single-wall options. That matters to me in tighter spaces and in homes where I want extra safety around combustible materials. I also find that double wall pipe can help maintain flue temperatures better, which may improve draft and stove efficiency.
What I Check Before Buying
Before I make a purchase, I always check a few things:
- Compatibility with my stove and chimney system
- Required clearances to combustibles
- Pipe length and number of sections needed
- Direction of installation and locking style
- Local building code or manufacturer requirements
I do not like guessing with stove venting. I want every part to match correctly the first time.
Installation Considerations I Pay Attention To
When I plan installation, I think about how the pipe will connect from the stove to the chimney or venting system. I look for a secure fit, proper support, and enough room for safe operation. I also make sure I understand whether the pipe is intended for interior stove connection, venting transitions, or another specific application.
Durability and Build Quality I Expect
I expect Selkirk products to feel solid and well-made. With stove pipe, I look for strong metal construction, clean seams, and a finish that can handle repeated heating cycles. A pipe that resists warping and corrosion gives me more confidence over time.
Safety Features I Value Most
Safety is the biggest reason I take stove pipe seriously. I like double wall pipe because it can help reduce surface temperatures and improve clearance safety. I also pay attention to:
- Tight-fitting joints
- Approved manufacturer design
- Proper use with the right stove type
- Compliance with installation instructions
For me, following the manufacturer’s guidance is not optional.
How I Compare Value
When I compare value, I do not just look at price. I think about longevity, safety, and how well the pipe fits my system. A cheaper pipe that does not perform well is not a bargain to me. I would rather invest in a trusted product that helps me avoid future problems.
My Final Thoughts Before Buying
If I am choosing a 4 x 5′ Selkirk Double Wall Stove Pipe, I focus on fit, safety, and compatibility first. I want a pipe that installs correctly, performs reliably, and supports efficient stove operation. For me, the best buying decision is the one that gives me confidence every time I use my stove.
Final Thoughts
I find that the 4 x 5 Selkirk Double Wall Stove Pipe is a solid choice when I want dependable performance and added safety for my stove setup. My key takeaway is that its double-wall construction helps improve heat efficiency while also reducing clearance concerns. Overall, I’d recommend it to anyone looking for a durable, well-built venting solution that offers both practicality and peace of mind.
Author Profile
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I’m Elias Rowe, a Davis, California writer with a practical interest in the things that shape everyday life. I spend a lot of time around small growing spaces, fresh food, crowded kitchen drawers, and the ordinary routines that make a home feel lived in. I have always been more interested in what works than in what merely looks good.
Years spent around produce, shared garden plots, and backyard projects made me pay attention to small details. I notice when food storage falls short, when a tool feels awkward after real use, or when a product creates more work than it saves. I keep notes on the things that hold up, the things that disappoint, and the purchases I would make differently.
I started Shark City Farms in 2026 to share those honest observations. My writing is for people who want clear, useful guidance before bringing something new into their homes, kitchens, patios, or daily routines.
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