Originally Posted by Tom Trostel
To answer Vicki's question from 6 years ago, carbon felt is what you need under a grill to protect a tabletop from heat. It's a product that welders use to protect surroundings from the heat produced by a torch. It will withstand 2,000 degrees F. Home Depot and Lowe's sell it.
I suspect that regular silicone potholders would work also. I have four of them I place under the bumpy "feet" of my propane
stove, but I do this to keep it from sliding around on the slick top of the camp table.