I was getting tired and increasingly frustrated trying to get the bricks cut correctly as I closed in on the top. As the opening gets smaller, it required more patience that I didn't have in the first place (I know, why start a project that requires patience?).
Anyway, I had about a 12" opening and decided to form up a cap and pour some refractory on the top. It's actually a pretty good idea because it truly forms to the opening. And since most commercial ovens use refractory, it puts the good stuff right at the top where it's needed most.
I just plugged the bottom with a plywood disk, packed some sand on top to continue the curvature of the existing bricks, and poured away.
Anyway, take a look and hope it helps or inspires. Or at least makes you feel better about going bricks all the way up!
Anyway, I had about a 12" opening and decided to form up a cap and pour some refractory on the top. It's actually a pretty good idea because it truly forms to the opening. And since most commercial ovens use refractory, it puts the good stuff right at the top where it's needed most.
I just plugged the bottom with a plywood disk, packed some sand on top to continue the curvature of the existing bricks, and poured away.
Anyway, take a look and hope it helps or inspires. Or at least makes you feel better about going bricks all the way up!
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