Interesting way to get a dome shape... Wood-Fired Oven and Cooking Videos Discuss Interesting way to get a dome shape... in the Good Background Information forums; I dont see why spalling would be a problem as long as he used regular fire brick and refractory cement.. ...

[ThisOldGarageNJ]

I dont see why spalling would be a problem as long as he used regular fire brick and refractory cement.. Unless he had unusually large mortatr joints due to his cutting "technique" I think You might get a few stress fractures if your not counting that the same, or as you said it didnt collapse first,,,,,

[drogers]

An interesting approach to construction.