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woodboiler 05-18-2013 11:05 PM

Insulation questions
 
I built a 36 dome oven.

Oven floor is 5 of ceramic board with 2 layers of fire brick. Walls are 2 layers of fire brick and 4 of ceramic blanket.

I cured to about 700*F and have had about 15 fires ranging from 350 to 550 cooking different things. I plan going hotter for pizza and to play around with other foods just have not had the time.

I pulled off the ceramic blankets to check for cracking. I'm ready to do the outer layer brick, but have not decided what to use as a filler between the blankets and the outer brick.

I have thought about using a vermiculite cement mixture or just using a poring vermiculite in until I get a few inches above the top of the blankets. If I go with a cement mix I will have to do it in 2 or 3 batches because of the thickness I need.

If I do go with cement do I need to let it cure before having any more fires?
Anyone have any thoughts out side of the box?


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