Originally posted by mnl
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It's a good thing that you can't feel the heat from the fires on the outside. It usually means that trouble is brewing or should I say boiling on the inside.
Drying fires dry out the surface of the oven brick any other water in the structure will then be sucked into the dry area by capillary action for you to again dry out. Slow but safe.
The ceramic insulation layer is a good thing to have too as it provides a flexible layer and an expansion space for any steam up to a point.
You might think of including a sealable vent to that ceramic layer. I have fitted one to my own oven and its a big help as all ovens including covered ones can get moist from time to time just from the humidity in the air.
Regards dave
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