This happened to me because my timer failed. The kiln repair guy (seen about as often as the Maytag repair man) came. He scraped out all the glaze on the bricks, replaced the coils, even gave me some old shelves. For the floor, he just put a new floor ontop of the old as my kiln is 23 years old, I did not want to do any more work than necessary. The entire repair cost $250. It would have been more, except that he had replaced the thermostat timer the week before and the rebuilt thermostat was getting stuck, and I had put the "timer timer" on 11 hours so it did not shut itself off in time. I lost 45 pieces of sculpture 24 hours before our art show. I was as close to hysterical as it gets!