How to make heat resistant concrete type for buildig wood fired pizza ovens and similar applications where heat and heating is present.
Concrete pizza oven floor.
Heat differences in materials.
A vermiculite pizza oven is one that is made from a concrete composed of the coarsely ground highly insulatory mineral vermiculite and a refractory cement suitable to withstand high temperatures.
The 2 1 2 floor can be fully heated to an 800ºf pizza baking temperature which allows for continuous baking without the floor cooling down.
This base will help to carry the weight of the oven raise it to an operational cooking level and the thick floor will help to insulate the oven.
Pizza oven floor comparison.
The only problem with the second option is you need to cut the bricks on the oven floor so they fit snug inside the walls.
Refractory concrete mixture ingredients recipe for mixing by hand and concrete in building pizza ovens.
Want to build your own pizza oven.
Check out the rest of the brick pizza oven series to find out more on how to build the stove and the wooden shelter.
The dome is formed by applying the concrete over a spherical mold commonly an exercise ball and leaving it to dry.
First you need to decide are you going to build the side wall on top of the oven floor or around it.
Let the concrete dry out for several days before making the fire inside the pizza oven.
1 you will need to build a base with a 15cm thick concrete slab for the oven to sit on.
Therefore fill the holes with mortar and even out the gaps between the stone pieces with a small putty knife.
Temperature differences in material heat expansion and contraction shrinkage of edges with cooling downwards.
Pizza oven build part 3 the oven floor in part 2 of the oven build i utilised my bricklaying skills and built the base structure and now it s time to actually get onto building the oven floor.
The oven fire either.
Building on top is the simple solution but building around gives you better insulation.