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Removing rust from smoker to repaint---help!

Posted on 4/17/21 at 7:10 pm
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/17/21 at 7:10 pm
So I am cleaning up my old but in very good condition offset smoker.

I used a grinder with a loop cup brush to knock off the loose rust. You can see what the front of the fire box looks like and then the top where I applied the grinder.

My question is what tool do you think I should use next to get the steel ready for a new coat of paint? What would happen if I got it all looking like the top and painted it? I feel like I should get it to absolutely bare steel but there is nothing loose on that top.



Posted by EA6B
TX
Member since Dec 2012
14754 posts
Posted on 4/17/21 at 7:18 pm to
Doesn’t need to be bare shined stee, give it one coat of Rustoleum “Rust Reformer” then paint with final color coat. The reformer reacts chemically with the rust stoping the oxidation process, and leaves a stable surface to paint. Would probably use high temperature type engine paint for the final finish.
This post was edited on 4/17/21 at 7:20 pm
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/17/21 at 7:32 pm to
I got the high temp paint. I will get some of that rust reformer. I think I will paint it then season it with cooking oil and heat.

I may just coat it good with cooking oil and put a fire in it and see what it looks like before I paint. I might get a a coat of seasoning on it like a skillet.

Thanks
This post was edited on 4/17/21 at 7:33 pm
Posted by IAmNERD
Member since May 2017
21655 posts
Posted on 4/17/21 at 8:07 pm to
If you know anyone with a sandblaster, that would be the best. Otherwise, if nothi gnis loose, Rust-oleum like the other guy said should do it.
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/17/21 at 8:46 pm to
thanks
Posted by thejudge
Westlake, LA
Member since Sep 2009
14722 posts
Posted on 4/17/21 at 9:18 pm to
I've redone several.

If you really like it find someone to sandblast and powdercoat. There should be a local shop that will do batches and can add yours.

The primer won't take the heat for long if it's under on the firebox and the high temp paints going to peel.

I've had great luck before spending $100 to sandblast and paint mine. Just had to wait for the shop to run a batch. I did wash it all out and kept the grating and internals and sent them a cleaned out setup.
Posted by Buck_Rogers
Member since Jul 2013
1985 posts
Posted on 4/17/21 at 9:30 pm to
Vinegar and a green scotch pad will get the rest of the rust off.
This post was edited on 4/17/21 at 9:32 pm
Posted by Donzi Tiger 1
Member since Oct 2018
157 posts
Posted on 4/17/21 at 10:41 pm to
spray with chemprime rust converter
Posted by geauxnc0308
pineywoods of ET
Member since May 2008
572 posts
Posted on 4/18/21 at 6:41 am to
Rub it down with Ospho after you get all the loose rust off, then paint it with the high temp paint. Google Ospho if you aren’t familiar with it, Ace will have it
Posted by BiggerBear
Redbone Country
Member since Sep 2011
3072 posts
Posted on 4/18/21 at 9:06 am to
quote:

My question is what tool do you think I should use next . . .


If this is an excuse to get a tool, get one of these:

Eastwood Surface Conditioning Tool

Metabo makes a much more expensive version, but this and a wire drum will remove lots of rust quickly.
Posted by Nole Man
Somewhere In Tennessee!
Member since May 2011
8000 posts
Posted on 4/18/21 at 9:26 am to
I use Penetrol. Amazing product that removes rust from any surface.

Then some type of high temperature grill paint like Rust-Oleum.
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/18/21 at 1:48 pm to
update

Got all the loose rust off and I agree with the one poste-- powder coating would be better but I am not that picky about appearance and merely want to prevent if from rusting out one day. It is very thick steel for a smoker--made by Texas Pitcrafters. I think this is it--it is probably 10-12 years old

I oiled down the fire box with vegetable oil and it looks great. I know I will burn that off but I intend to oil it every time I finish using it from now on.

The main box was not very rusty so I removed any loose rust, washed it, dried it and used vinegar on any remaining rust--wasn't much---and painted it. It rarely gets over 3 or 400 degrees. Looks great. The paint will probably come off but most of the powder coat is still under it.




This post was edited on 4/18/21 at 1:57 pm
Posted by Flanders
Bham
Member since May 2008
9895 posts
Posted on 4/18/21 at 1:53 pm to
Following
Posted by 2Dueces
Member since Dec 2018
315 posts
Posted on 4/18/21 at 5:23 pm to
A light grit tiger paw will take it right off and make the metal look brand new. I’ve done it refinishing gun barrels.
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/18/21 at 9:11 pm to
here is the finished product. I bet I did it in 30 minutes and then fired it up for a couple of hours. As the fire was burning down I applied a second coat of vegetable oil to the fire box.





Like I said I just want the rust to stop before it damages---it is not professional by any means!

Oiling after ever cook now.

Thanks for all the suggestions!!
This post was edited on 4/18/21 at 9:16 pm
Posted by Nole Man
Somewhere In Tennessee!
Member since May 2011
8000 posts
Posted on 4/19/21 at 6:52 am to
Well done! Looks great.

What kind of wood do you like to run through that?
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
84195 posts
Posted on 4/19/21 at 8:39 am to
I have one that was sandblasted and repainted, but is already showing rust on the top of the fire box. Should I use one of these products? Just use oil? Thanks for any help.
Posted by AyyyBaw
Member since Jan 2020
1173 posts
Posted on 4/19/21 at 9:02 am to
I just got a new smoker a couple months ago. Here is what I've been doing after each cook to try and prevent rust. Scrape the grates after cooking while they are still hot. The next day I scrape out the bigger pieces of food/soot from the cooking chamber and get all of the ash out of the firebox. I open up the drain at the bottom and hose out the grease, then I spray everything on the inside with grape seed oil. I'll hit it with some heat from a propane torch to get everything hot with the new oil on it and then let it cool and cover it with a tarp to keep the rain off/out of it.

Have fun with the new smoker! Nothing better than running a thick steel offset smoker.
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/19/21 at 1:10 pm to
I like pecan but I generally have to settle for oak. I hate water oaks as they produce too much smoke but I sometime have to use them. I find smaller pieces of wood without bark are better than big. I can control the temp better with the smaller pieces.
This post was edited on 4/19/21 at 1:21 pm
Posted by I B Freeman
Member since Oct 2009
27843 posts
Posted on 4/19/21 at 1:16 pm to
I just knocked the loose rust off and oiled it up. Try that first before doing anything more drastic.
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