How to Put Stove Pipe Together

Welcome back to OC-Outdoors!  We've got a nice little how to article for todays post.  I needed to replace the flue on the wood burning stove in the garage.  So made a quick trip to tractor supply company to pick up the materials.

What do you need to replace the flue 


  • Black stove pipe
  • Slip pipe
  • Self tapping screws
  • Screw driver and or drill
  • Possibly angled pipe depending on the layout of your exhausting system(mine is just straight through the roof)

Process of replacing stove pipe flue

black stove pipe flueThe first step in the process for replacing the flue on the wood burning stove is to remove the old stove pipe currently in place.  Pretty obvious right!?  However, this really can be the most difficult part of the whole project as I came to find out.  My pipe was rusted and corroded together, which was the whole reason for this project to begin with. You can kind of see this in the picture to the right. So, I sprayed mine with WD-40 and let it sit several nights before attempting to remove it.  Even after spraying it and sitting, it took a lot of elbow grease to remove the stove pipe.

Once you get the stove pipe apart and removed from the wood burning stove, its time to put the new pipe together.  The stove I have in the garage utilizes an 8 inch stove pipe, however there are also some stoves that use 6 inch stove pipe and there maybe other sizes as well.  I just know these are the two sizes my local Tractor Supply Company (TSC) carried.  To get the black stove pipe together, there is a small lip that you have to snap together.  The first piece I attempted took about 2 minutes and went right together.  But...There's always a but!  The second piece took me what seemed like forever before it finally made that satisfying snap!  You just have to wrestle and push it on a flat surface.  Once you mess with it enough it will eventually go into place.

The next step in the process of replacing the stove pipe flue, is to put the two pieces together utilizing the slip pipe.  The slipe pipe is just a piece that is designed with a small taper allowing one pipe to slide up and down.  This allows you to fit the black stove pipe up into the portion that goes through the ceiling without having to have the pipe cut to the exact size needed.  I chose to have the smaller "slip" side towards the upper pipe this way its easier to get some pressure asserted when I go to clean it in the future.  After getting the slip pipe connected to both of the pieces of black pipe, you're ready to install the flue back onto the wood burning stove!

what is a self tapping screwThis truly is the easiest part of the whole process!  You just have to place it back on the wood burning stove with, in my case the top portion, slid down on the slip pipe.  Then, you need to screw the bottom stove pipe into the stove.  I went a head and used the existing holes that were already in the stove.  I suggest using self tapping screws as they easily screw into the black stove pipe without requiring you to drill a hole first. If you're asking yourself "what is a self tapping screw," I'll include a picture for you.  But it is essentially a screw that has its bottom portion shaped like a drill bit.  Therefore it will drill or "self tap" its own hole.

Next, you need to screw the slip pipe into the bottom piece of black stove pipe.  This will allow you to pull on the upper pipe without the whole assembly pulling apart.  Once you accomplish this, its time to move to the top pipe.  You pull the top pipe up from the slip pipe until it's in connection with the chimneys lower section.  Its very important you have the insulated chimney section connected to your flue or you risk having a fire because the black stove pipe reaches very high temperatures!  Once in place, just place your last few self tapping screws and your wood burning stove is back in business!

Can you Install a Stove Pipe Flue Yourself

I would say if you have an existing wood burning stove in place and all you need to do is replace the black stove pipe, you will be fine to replace it yourself!  However, if you are not sure about it or need a new chimney section it maybe better to hire a professional.  My system was already in place and was a very simple vertical install so I felt comfortable doing it myself.  The insulated chimney section was also in great shape, so I didn't need to replace or repair any of that section.




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