EASY PERLITE OVEN - Part 2 - Building the oven tutorial - YouTube
Temper fire in the exercise ball oven. Tried to match the Calirforno dimensions, but thicker walls. Currently 4" of perlite, sand, Portland cement, and clay mix. Getting HOT inside! Added hi temp
Better Outdoor Pizza Oven: Cob Oven Building Plans | The Year of Mud