Tiles of different designs can be interchanged on same oven.
Tiling a pizza oven dome.
The dome itself a series of self supporting circular brick chains that curve inward until they meet at the keystone at the oven top.
A brick pizza oven dome is usually constructed as either an igloo or barrel dome out of medium density fire bricks both shapes are constructed in much the same fashion with bricks mortar and usually with a supporting frame.
To get a perfect shape dome put the sand in the shape of a dome.
You can also frame and decorate the front portion of the dome arch with granite or other materials.
Given the variety of colors and styles of tiles available at hardware stores the design possibilities are huge.
It is to do with the sand and afterward place the bricks onto them.
Then using a string and marking pen build a compass half the diameter of your oven 18 or 21 and mark the circumference of your oven floor.
I love in the north east of england in the uk we have an outdoor pizza oven which i am looking to mosaic tile.
Then apply a tile and grout sealer to seal the grout.