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Seasoning the Outside of Your Firebox

 
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OddThomas
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Joined: 07 Mar 2007
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PostPosted: Sat Aug 30 08 9:58 am    Post subject: Seasoning the Outside of Your Firebox Reply with quote

Howdy,

This is going to sound like a noob question, but have any of you guys ever seasoned the outside of your firebox?

I've been having to leave my DP 70 outside in the elements while I'm doing some work on my house and I am not happy about it. Sad It's not permanent though, I'm building a new 12x12 storage building for all my catering supplies with an attached, semi-enclosed (3 sides) “carport” for the smoker on one side and a wood storage deck on the other. In the mean time I've been trying to be diligent about proper oiling and whatnot to avoid rust. I always oil it when it was cool.

So I was doing a cook yesterday and thought to myself I wonder what would happen if I put some cooking oil on this here firebox while she's going full blast. So I got some tongs, a bowl with some oil in it, and an old kitchen towel. I rolled up the towel and dipped it in the oil and proceeded to rub down the firebox. Okay... when I say there was a lot of smoke, that's an understatement. A couple of times the towel even caught on fire--especially when I was working right in the middle of the firebox where my fire was going strong. Smile The cool thing is, it started to carbonize really fast (within seconds) and left a sort of cast iron finish on the outside of the firebox. I kept at it once every hour or so until it was coated pretty well and when the fire burned mostly out I was able to coat the center really well also.

I was checking it out this morning and it looks pretty cool and it looks like it would hold up to at least some water and morning dew. It's shiny and just the slightest bit tacky, but really sealed up well. It wouldn't surprise me if it eventually burned off completely, so I'll probably have to do it again.

I just had never thought about trying it and thought it was kinda neat and wanted to share.
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Fatrat
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PostPosted: Sat Aug 30 08 10:53 am    Post subject: Reply with quote

I oil up the outside of my firebox as well, though I do it cold. It can be difficult to fight the rust during season, as my smoker is always out side. I may perhaps invest ina cover, but the outside seasoning of the fire box does help. And to answer the back door question, you will have to repeat the process as long as you leave it outside after the cooks.

Ray
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JamesB
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PostPosted: Sat Aug 30 08 12:51 pm    Post subject: Reply with quote

I too use oil on my fireboxes. I normally do it when they are still very warm after a cook. I will also use some spray oil (cooking spray) to oil 'em up in between cooks. Keeps the rust away!

My fireboxes are square, so I've also been known to use the tops as griddles and cook bacon, eggs etc right on 'em.
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J0K3R-X
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PostPosted: Sun Aug 31 08 2:06 am    Post subject: Reply with quote

I also use veg/corn oil on the outside of mine, works great! I also bought a large tarp to throw over it and I just bungie it down.
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OddThomas
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PostPosted: Sun Aug 31 08 2:14 am    Post subject: Reply with quote

Yeah... I've always oiled it since day one. I burned the paint on the first time I fired it up, lol! I've just never oiled it while I was cooking full blast. It seriously looks just like my cast iron pan, lol.
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OddThomas
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PostPosted: Sun Aug 31 08 2:19 am    Post subject: Reply with quote

J0K3R-X wrote:
I also use veg/corn oil on the outside of mine, works great! I also bought a large tarp to throw over it and I just bungie it down.

That's what i've got going on right now... blig blue tarp. Smile

I'm thinking a 3-sided carport/pole barn will do the trick, but I'll probably go a head and close the whole thing in. I'll put big swinging doors on it, so I have plenty of clearance. The down side is, I'm probably not going to put in concrete... I'm working with a gravel budget right now, so...

At any rate, I just thought it was cool how the finish came out.
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J0K3R-X
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PostPosted: Sun Aug 31 08 6:50 am    Post subject: Reply with quote

That's what I have a big blue tarp. You must really love your baby to build her a home of her own! Laughing I would do the same if I had the $$$!!

Last edited by J0K3R-X on Mon Sep 01 08 1:01 am; edited 1 time in total
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Bryce Crane
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PostPosted: Sun Aug 31 08 7:43 am    Post subject: Reply with quote

Do it cold
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OddThomas
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PostPosted: Sun Aug 31 08 11:36 pm    Post subject: Reply with quote

Bryce Crane wrote:
Do it cold

Why?
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BBQMAN
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PostPosted: Mon Sep 01 08 12:04 am    Post subject: Reply with quote

I do the same as you do with my Stumps Mike, and it works real well. When I received it it was a rusty crusty mess.

I normally apply the oil while the cooker is still warm, as opposed to red hot.

My Stumps lives under a carport.

I would recommend the enclosure you mentioned- those blue tarp have the potential of trapping moisture and actually making the problem worse.......................

I'd also add that I've never had that problem with my big cookers! Wink Razz
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SMOKESTACKS BBQ
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PostPosted: Mon Sep 01 08 12:11 am    Post subject: Reply with quote

you can use oil as stated before, you can also use silicone spray, ive used it with good result. i also use the silicone on my race car headers to keep them from rusting.
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OddThomas
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PostPosted: Mon Sep 01 08 1:21 am    Post subject: Reply with quote

BBQMAN wrote:
I normally apply the oil while the cooker is still warm, as opposed to red hot.

So do I because it goes on easier. This was the first time I tried it while it was red hot and I think the idea struck because I had re-seasoned an old cast iron pan I picked up earlier in the week. I figured what the heck, the end result would either be somewhat similar to the same sort of carbonization you get on cast iron or it would just be too hot and burn off.

I checked it again today and the finish is now harder and not very tacky at all. It's like I clear coated it, lol.

BBQMAN wrote:
My Stumps lives under a carport. I would recommend the enclosure you mentioned- those blue tarp have the potential of trapping moisture and actually making the problem worse.

Mine already had an indoor home too, but I had to move it out to do some much needed renovation. I've decided to build something dedicated, so I don't have this problem again and so the cooker and my catering equipment are not taking up space I usually use for other things. For now, I take the tarp off every day it's sunny out, so I don't get moisture build up.

BBQMAN wrote:
I'd also add that I've never had that problem with my big cookers! Wink Razz

That would be nice, but the cost for all stainless is just way too much for me--even if you count the cost of my “cooker garage”. I'll deal with the oiling and the rust (I don't have much problem really). Smile
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Harry Nutczak
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PostPosted: Mon Sep 01 08 3:15 am    Post subject: Reply with quote

I do mine after every cook, I went a step farther and bought an HVLP gravity feed spray gun filled with cheap veggie oil, I run about 10-12 PSI at the gun, and coat the firebox and snouts after every cook.

The steel is blued very nicely, I have no rust, and the smoke is minimal during the initial start-up. And I do not need to be reaching over a smoking hot steel cylinder waiting to burst into flames when oil hits it.

Keep an eye on the bottom of the firebox too, It is tough to get in there with a rag, A spray gun hits those tight places and low clearance places too.
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OddThomas
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PostPosted: Mon Sep 01 08 4:39 am    Post subject: Reply with quote

Harry Nutczak wrote:
Keep an eye on the bottom of the firebox too, It is tough to get in there with a rag

I spray mine too Harry (with a regular pump sprayer--have to heat the oil a bit first though) and yes the bottom on the DP is hard to coat. BTW the flames weren't huge or anything and only lasted a second at a time... like flare ups on a grill. I mostly kept doing it on purpose, lol. When I was putting the oil on initially though it did smoke like the devil. Not something I'd do on the job.

It cooked for 3 hours after I stopped oiling it and it didn't smoke at all by then. I'll be cranking it back up tomorrow, so I'll let you know if it smokes like crazy or not or if the coating burns off.
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icecoldkicks
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PostPosted: Wed Sep 03 08 6:36 am    Post subject: Reply with quote

I wipe Crisco on the fire box with a towl
as the fire box is cooling off
I also use Crisco to season the inside of the smoker as well Rolling Eyes


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Bushbow
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PostPosted: Thu Sep 04 08 10:19 pm    Post subject: Reply with quote

Crisco works great - Put it on HOT and it makes a thick hard finish. Last quite a wile but you will have to re-apply from time to time

Bob Urban
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