You can use a combination of 2 sheets side by side, for instance two 30"x55" sheets for a 60"x55" surface. Some people will fill up each hole and others only every second one. You can see a sheet metal support for an oven we built on a pub's patio (the red one). This cannot be ceramic fiber blanket or mineral wool or anything soft - because it will be squashed by the weight of the oven and squashed insulation does not work. Once your base is done allow it to cure for a few days. Establish the area you will need for your oven's base. This slab will not be exposed to very high Ts and hence there is no need to use the $80 a bag refractory cement. Before we begin this step we would like to point out: it can be avoided! Include the room you need for insulation and your choice of veneer (stucco, bricks, stones, etc). Pay close attention to the pictures, you will see that the blocks in each layer are NOT be placed in the same order! Connect the 2x6s with screws. Some other kits will require mortaring the joints (like our Neapolitan kits). Important tip: use the board only under the cooking area of the oven - where you will need the heat. Omg! Absolutely ZERO masonry skills are needed! No matter which kit you choose the main steps - and even most details - are the same and once you've done it once you will become a pro to your envying friends and neighbours! Fill up your frame from 2x6s completely - to the top and even add a little extra which will be removed in the next step. On top of the metal place cement board (for instance Durock). An oven with a 40" cooking area would be 55"x60" on the outside easily weighting in at 1800 lb. It's better to have 3" total thickness but 2" is enough. Your oven is now insulated but is still missing the chimney. We use either Thermafiber or Insblok board. It has to be sufficient grade to hold the weight of the oven + your veneer. Thanks for the fantastic first Instructable! By far our most popular pizza oven kit for families of all sizes. I hope we see many more from you in the future! And another important note: if your cement surface did not come out perfectly level then you will need to use ordinary sand to level it out and place the mineral board on top of the sand. It's a fun and engaging project which start with a hole in the ground and ends with delicious crusty pies! Ok, if you are going the traditional way you will need to construct your timber frame first. Now, the cement... You will need to mix and pour a lot of Portland cement. The rebars should not be sitting directly on the sand! Use regular Portland. Advantages of a DIY Pizza Oven Kit over Fully Assembled: Eliminates Access Issues:. 2) cost would be a lot higher - incl. Normally you get the same volume no matter which thickness you choose (for instance you can 8 boards in 2" thickness or 16 board in 1" thickness), you can just double up if you have the 1" board. You can buy it from Home Depot for $13, size doesn't really matter. Luckily there is an alternative: Place a steel sheet on top of the 3 walls of the base. They come in varying thicknesses, your need to make a layer of at least 2". Now, we need to make the footing level. many thanks for reading to the last page )). Why doesn't the oven just come in one piece? Use "half blocks" to start a new layer in a different pattern to make sure the blocks in this layer will NOT join directly above the joint of the layer below. You can use a 12" clay pipe, a black stove pipe, a terracotta fireplace chimney, an insulated stainless steel chimney, a black stove pipe, or a brick stack! We are based in East Rutherford, NJ, please visit our website. Mattone Barile and Barile Grande Barrel Shape - Fire Brick Outdoor Pizza Oven Kits You will need to simply lay the board our on your cement surface. The frame is later dismantled and removed (obviously just the sides, you won't be able to remove the bottom parts), so don't worry about a combination of a wood fired oven and a wooden frame )). You can do this with plywood. There is at least a dozen suppliers of such kits in USA and the idea behind all of them is the same: allowing the customer to build his own wood fired pizza oven from pre-cast components usually made from refractory cement. 5 years ago Some ovens for a week! Share it with us! I want my own wood oven! If you are building your oven under open sky then sky is the limit for the chimney. If you are using ceramic fiber (Kaowool, Superwool, etc) then just wrap your oven in 3 layers of 1" blanket all around - you want a minimum 3" insulation on all sides. Do not glue to cement! Before you purchase your kit please check that it comes with the cooking floor. In this project we will try to describe how to make a complete functioning wood fired pizza oven from a modular kit. This is approximate and varies from oven to oven. This is a base for your wood-fired oven. It will host the cement slab for your oven. Both 2" and 3" are standard sizes for these boards. The 5 basic steps are: Preparing a solid concrete foundation is crucial. There are a few reasons: 1) it would be too big and heavy to be delivered to most backyards. The most common size of cinder blocks in the US is 16x8x8. Moving on to constructing the base... Cinder blocks are the best materials to build the base from. You may be right about the image but we don't show the actual veneer work which is what people would want to see if we posted those images in the front. Place metal rebars inside both ways (front to back and left to right), try to keep 8" to 12" between parallel rebars.