WarmGlass.com

We can help you find a solution. We would be glad to quote just elements, just the lid, or both. If you give us a pattern we can make a grooved HD ceramic fiber board lid that you can lay your elements into. We also provide a fiberboard slurry glue you then pack into the channel to hold the elements...

You will be hard pressed to make a good repair. You can cast a new shelf using a Castable 3000 cement. It is good option for making fixtures if you don't mind a rougher surface. A good reminder to bake out moisture slowly after having your kiln in hibernation for a while.

I agree with the hobbyist. If you are not careful to manage the dust you can and will short out your bushings on your electric motors as the dust is a conductor.