The size of the flue which is the boxed space around and above the entry surface area also called hood or air vent or just a box has to be spacious enough so completely all the exhaust fumes 100 of the hot air gases exiting the oven all gets directed only upwards into the hot air passage and through the chimney they travel out.
Pizza oven chimney size.
For indoor pizza oven venting installations or outdoor installations where your wood fired oven will be under a roof structure such as a pergola forno bravo recommends using a ul103ht listed double wall stainless steel.
The ovens have been designed using an age old tradition the chimney outlet should be between 60 and 70 of the oven roof height.
When building a flue for a pizza oven one should keep in mind that the size of the flue the space around and above the surface area also called the hood box or air vent should be enough to allow all exhaust fumes out and into the chimney for expulsion.
The following table outlines the internal diameter of the pizza oven chimney for the different sizes.
Stainless steel chimney bend 90 degree.
Direct vent chimney system allows your pizza oven venting to draw naturally and perform at the highest level thermally.
Building a sturdy base out of timber and insulated concrete the oven base i cast onto an elaborate shuttering in an elongated oval shape.
Stainless steel rain cap.
This enables the oven to keep the optimum amount of heat in while still allowing enough air in for the fire to draw.
Stainless steel chimney bend 45 degree.
Considerations in building a pizza oven chimney.
The height of the chimney depends on the size of the oven but it can be anywhere from 1 meter or more.
Flat roof flasing kit.
32 36.
With your new pizza oven you can cook anything that your heart desires from pizza to roast beef.
Some people choose not build a chimney in their ovens but that may result in an oven the does not perform at its optimum and may result in excess smoke issues.