- 4 Posts. Joined 12/2015
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Yes the liner must be burned out. Typically it is made of a vinyl or plastic and the fumes or somewhat toxic, not a flavor you want to add to your food. Make sure you burn off the liner on the lid as well.
If you have already built your smoker, start a fire in both the area you intend to use as the fire box and above in the smoking chamber area. Burn it for an hour or so, take a knife and check all over to see if you have any liner left.