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Premium Member
3,111 Posts
I assume you are looking for a sheet material.
There are modern versions of thermal barrier sheet available, it’s just finding a suitable supplier.
Try searching for ceramic paper, or insulation, and look for something like this.
There are all kinds of thicknesses available.
Kaowool is a much thicker material and good for the end of smokeboxes, etc..
David Leech, Delta, Canada
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