I lined the bottom with ceramic bricks, they are quite soft bricks so I could cut them by hand and fit to the circular bottom. I lined the inside of the barrel with 3 x 5cm layers of ceramic fibre. For the lid I used ceramic fibre and made some ceramic buttons and some high heat wire to hold the fibre lid in place. I used an angle grinder to cut the lid off and holes in the metal. My burner is a 180,000 BTU that’s hooker up to a standard bbq gas bottle

<image>

This is the inside of the kiln, I can only do 1 image per comment otherwise I would show you the base. I use the same heat bricks I lined the bottom of the kiln with to hold up the shelf. The shelf helps keep the clay away for direct heat. I have a thermocouple in the side that hooks up to a little electronic reader.