If it's okay for the oven, I use it in my Egg (of course at the same temps I would use in the oven). I do have two strips of angle iron I use to set things on for some air space. I use these under my dutch oven too.
KCBS - CBJ
Big Green Eggs, Big Drum Smokers, Big Chiefs, Weber Smokey Joe "Custom Tall Boy"
Oil Patch Horizontal
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Barbecue is not rocket surgery