I am looking to build a smoker out of a couple 55 gallon barrels with an offset firebox. I know the metal of the barrels is really thin and I was trying to find something to line the inside with to help keep the temperature steady. What could I use that will be safe to have on the inside?
Insulation for inside of smoker
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I have found a few blankets that I could attach to the outside but I would like to know if there is anything that is safe to use on the inside. I am still doing research and if i come across the answer before someone answers I will delete this post to avoid multiple posts.
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If you have access to a welder, you can make a double wall barrel, with sand between the walls. Great insulation, resistant to incredible temperatures. It does not out-gas. And provides stellar temperature stability. Cut the ends off one barrel, slit it lengthwise. Weld it to the outside of the barrel your grate will rest in. Space the outer and inner wall by about 3/8 inch. Fill with sand, weld shut. It will be insanely heavy, a stout support frame will be required.
Thanks for the response. If I can get the extra sheet metal for that I will go that route. As of right now I will probably only have the barrels themselves. That is why I was looking for something to put inside if possible.