Pizza Oven Chimney Design

Lessons learned a change i would make.
Pizza oven chimney design. 4ft x 5ft 1 22m x 1 5m or 5ft x 6ft 1 5m x 1 8m similarly but a bit more larger if domes are in diameter diagram picture for rectangular barrel brick oven design versus round brick oven. When i built the brick arch support i added a piece of flat steel 1 4 in thick on top of. The chimney for the wood burning pizza oven presented special challenges. Pizza oven chimney and grease duct when direct venting wood burning pizza ovens the exhaust duct is required to have both ul 103ht listing for solid fuel 2100 f burnout for 10 minutes and 3 times and ul 1978 listing for grease duct which has 2000f internal fire test at 30 minutes.
A flue is an opening duct or a pipe in a chimney that is used to expunge waste gases or leftover gaseous residue from a boiler heater or a traditional wood fired oven it was traditionally considered akin to a chimney itself. Mid way through the chimney construction the design was changed to give a slimmer profile at the top and to save weight on the oven hearth. 82 90cm x 90 100cm 32 to 35inch x 35 to 39inch will do perfectly. If you had a restaurant wood pizza oven in mind ovens with internal dome sizes of.
What is the best design to use for a pizza oven.