6. Insulating before Shabbos with non-heat adding material, on top of material that adds heat, such as a blech 0 3434
Insulating a food or pot that is on top of a stove top, blech, electric plate, oven, or hot pot 0 683
May one wrap a towel around one’s pot, or water urn, before Shabbos, in order to help keep it warm? 0 3426
Placing food which is wrapped in tinfoil on top of a pot that is on a flame, Blech or electric plate 0 695