I know various pictures have already been posted of the building of John's test soda kiln, so perhaps these are out of order. After we built the arch form out of the blue insulation foam, we packed castable around the arch, and here it is standing alone while we built the back wall.
The chimney and door are in place and two layers of fiber went over the arch, then chicken wire and later it was sealed off with mud.
This view is the back wall, with the lower port being the burner port, and above is opening for the damper.
I know various pictures have already been posted of the building of John's test soda kiln, so perhaps these are out of order. After we built the arch form out of the blue insulation foam, we packed castable around the arch, and here it is standing alone while we built the back wall.
The chimney and door are in place and two layers of fiber went over the arch, then chicken wire and later it was sealed off with mud.
This view is the back wall, with the lower port being the burner port, and above is opening for the damper.
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