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Burning Oak Tree Stump

Posted on 1/7/24 at 12:20 pm
Posted by bapple
Capital City
Member since Oct 2010
12133 posts
Posted on 1/7/24 at 12:20 pm
I recently removed a water oak from my backyard that was quite hollow in the middle. It’s been sitting up since September but I’d like to get rid of the stump, which is probably 3 feet in diameter. My yard does not have wide access on the sides due to fencing and a slim gate so getting a stump grinder back there would be tricky.

I’ve read about burning it and I want a slow burn that I can monitor since it’s 5-10 feet away from my house. I’m not worried about it burning entirely or burning the whole root system. I just want the best burn I can get to flatten the ground where I can start to refill it with dirt as the stump rots out.

Anyway, I’d like a slow burn with short flames so there isn’t a risk of my house getting burned. I’ve heard suggestions for charcoal or diesel but want to make sure the flames won’t get too tall or draw attention to my house with too much smoke or anything. I’ll likely wet the area around the stump and keep a fire extinguisher handy (and probably dirt with a shovel) but figure someone out there has done this before.

Thanks in advance.
Posted by TDsngumbo
Member since Oct 2011
45632 posts
Posted on 1/7/24 at 12:30 pm to
Using charcoal is actually a pretty decent idea in my opinion. I wouldn't have thought of that but it's probably the route I'd take. To speed up the process, is the stump rotten or weak enough for you to take a sledge hammer to and break it up a bit first?
Posted by bapple
Capital City
Member since Oct 2010
12133 posts
Posted on 1/7/24 at 12:36 pm to
quote:

To speed up the process, is the stump rotten or weak enough for you to take a sledge hammer to and break it up a bit first?


It’s still pretty fresh but the very dry end of summer helped a bit. I thought of drilling a bunch of holes in it and maybe using a chainsaw to bring it down a bit before I drop some coals in the middle.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
69253 posts
Posted on 1/7/24 at 12:39 pm to
Not much to do here other than get it burning somehow. Charcoal or kindling or whatever. It's going to burn slow no matter what you do. Stumps are basically wicks and never really dry out. The problem is usually keeping it going, not keeping it under control.

It might be better to start burning it from the outside. Temping as it may be to put the fire in the hole, it won't breathe well
This post was edited on 1/7/24 at 12:40 pm
Posted by turkish
Member since Aug 2016
2121 posts
Posted on 1/7/24 at 1:06 pm to
Drill a bunch of holes in it with a long paddle bit. Start pouring used cooking oil into them on occasion. If you can drill some holes from the sides that connect for airflow prior to lighting a fire, you’re in the money. Otherwise, it will be a slow, multi-step operation to burn that whole stump.
Posted by X123F45
Member since Apr 2015
28766 posts
Posted on 1/7/24 at 2:16 pm to
Dakota fire hole and a blower fan.

You can burn a stump out in a day.
Posted by Capt ST
High Plains
Member since Aug 2011
13339 posts
Posted on 1/7/24 at 3:55 pm to
If you have Karen’s expect calls to fire dept. I just filled center and would let it smolder for days adding dry would from time to time. Throw some bricks around it and create a fire pit you can use for a few months.
Posted by tigerstripes
Loranger, LA
Member since Aug 2006
848 posts
Posted on 1/7/24 at 6:38 pm to
This works well.
Posted by Tridentds
Sugar Land
Member since Aug 2011
22364 posts
Posted on 1/8/24 at 10:10 am to
quote:

Drill a bunch of holes in it with a long paddle bit. Start pouring used cooking oil into them on occasion. If you can drill some holes from the sides that connect for airflow prior to lighting a fire, you’re in the money. Otherwise, it will be a slow, multi-step operation to burn that whole stump.


This has been my experience 100%. Slooooow process without airflow.
Posted by ItzMe1972
Member since Dec 2013
11503 posts
Posted on 1/8/24 at 10:29 am to
"My yard does not have wide access on the sides due to fencing and a slim gate"
--

They have slim stump grinders for this situation. I'd check with some of the rental companies in the area.
Posted by cgrand
HAMMOND
Member since Oct 2009
43546 posts
Posted on 1/8/24 at 10:37 am to
inspect the stump for weak areas near the bottom where the main roots form. take a chainsaw there and carefully open an air intake carb into the hollow chamber.

fill with wood, paper/etc and light it up. it will burn for several days
Posted by Turnblad85
Member since Sep 2022
3230 posts
Posted on 1/8/24 at 10:38 am to
I've never seen a stumr burn that wasn't slow. Smoky as hell though for days on end. If you have neighbors close I'd recommend against it or they will hate you. Maybe give it a shot and see if most will burn in a day and then extinguish whatever is left with a hose.
Posted by CatfishJohn
Member since Jun 2020
17028 posts
Posted on 1/8/24 at 1:07 pm to
Drill air holes from the sides if you have a long enough drill bit.

Then charcoal and a little kerosene.

It'll burn a long time that way.

Once it's dried out from the inside you can build a small fire around it too.

Posted by hogdaddy
Krotz Springs
Member since Feb 2010
5154 posts
Posted on 1/8/24 at 1:56 pm to
Stump Grinder 13 HP Rental

Homedepot

Posted by Spankum
Miss-sippi
Member since Jan 2007
58633 posts
Posted on 1/9/24 at 12:20 am to
I have found it very difficult to burn tree stumps, even when they were quite rotten. What I’d suggest is using some stump rotter on anything that is solid above the ground and mechanically removing the pieces over time.
Posted by diat150
Louisiana
Member since Jun 2005
46135 posts
Posted on 1/9/24 at 10:16 am to
I am sure you could sacrifice a few chainsaw chains and just cut it under the soil line.
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