Stephen Sell on wed 18 jun 97
Fellow Clayarters,
My homemade castable kiln project is well under way. The concrete pad
has been poured (1 yard, mixed by hand - thanks Dad)... Concrete blocks
stacked for a base (used/free)... Hard fire brick layed as a sub floor
(used/free - thanks Eljer toilets)... Kiln floor was cast last night
(2 parts fireclay, 2 parts grog, 2 parts sawdust & 1 part aluminite
cement)... I'm hoping to cast the arch in another week or so... What an
excieting learning experience.
Looking ahead to the chimney, I've running low on my supply of free high
duty fire bricks and I'm wondering if I can use clay flue liners and red
brick to stack the top half (total height 11') of the chimney? The flue
liner manufacturer stated that the clay liners are rated to 1800 degrees(F).
I'll be firing ^10 reduction as well as salting the kiln. Any feedback on
this would be appreciated.
More updates to follow.
Stephen Sell / odaat2day@aol.com
Pittsburgh, PA
ps. I inspected the kiln floor 24 hours after it had been cast. The cast is
hard, but not like a concrete. I suspect (hope) that it will harden more
after being fired. I may increase the cement volume by 1/2 (either the
aluminite or use portland) when casting the arch. Any thoughts on this???
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