The first cob layer of your oven is the thermal mass layer. With the modular pizza oven, you can ensure a wood-fired pizza oven’s safe and reliable operation. The above dimensions will support the overall dimensions of the oven and the insulation required. I ended up putting 75mm of vermiculite concrete underneath the 40mm board on my 42" oven and it seems to have worked very well. Ceramic Fiber Blanket is simply the BEST way to insulate, protect and make your wood fired pizza oven super fuel efficient! 4.8 out of 5 stars 32. It is important that you insulate your pizza oven, and for this I have used a Ceramic Fibre Blanket. The insulation can be made out of a number of different materials which are refractory heat resistant and have insulation properties. I didn't need to use any sand on the base as the fire place insulation is flat. After cutting this to the size of the oven (42") I started laying fire bricks in a herringbone pattern over the base. On the other hand, a modular pizza oven kit allows you to build your dream outdoor kitchen. I was still concerned about how much insulation I had under the base of the oven so I purchased some fire place insulation board (50mm). It’s what heats up. When you want the highest-quality American made ceramic insulation, you need ceramic … A square base built for a 120cm cooking floor diameter, would need to be 160cm x 160cm. FREE Shipping. Remember, once the dome is built you cannot go back and put more insulation underneath it. A wood fired pizza oven requires an insulation lay on top on the initial internal dome of bricks and under the hearth so as to improve the heat retaining properties of the oven. Other options New from $4.99. B - Position from the base Pizza ovens are not barbecues...normally we punish someone to cook the barbecue plac-ing him(of her) away from the party! I know that many of you wonder how to make a pizza oven using the pizza oven kit. A pizza oven like this will generally heat up to anywhere from 800 – 900 degrees Fahrenheit. And does it ever heat up. A circular base built for a 120cm cooking floor diameter would need to be 160cm diameter. So far I’ve shown you how to build your pizza oven base, create your sand form and mix and apply your cob. High-quality American made ceramic insulation and ceramic wool from our best-selling brands like Kaowool, HarbisonWalker and FiberFrax. Only 17 left in stock - order soon. How to Build a Pizza Oven With the DIY Pizza Oven Kit. Ceramic Fiber Blanket • Ceramic Insulation . Ceramic Fiber Blanket 8# Density, 2300F (1/2" x 12"x 24") for Thermal Insulation of Stoves, Fireplaces, Pizza Ovens, Kilns, Forges, Furnaces. I would use more than the 40mm cal sil board. 59. $8.59 $ 8. Re: Oven base insulation Hi Mike. It is both easy to work with, and gives excellent insulation.