Pizza Oven Base Plans

Pizza Oven Base Plans

This instruction guide explains how to build a simple base for your pizza oven out of Hebel. The major advantage of this base is that it is light, easy and simple. However, there are plenty of ways to build a base some of which might be cheaper. 

The main thing is that it is strong enough to hold around a ton of pizza oven, and is at least 1200mm x 1200mm so that the oven fits on top. 

1. What you will need to Build your Base

You will need to source some Hebel. You local hardware, or the Hebel Website Might be Helpful. It is about $300.

  • 18 x Hebel blocks 600x150x200
  • 4 x Hebel blocks 450x150x200
  • 2 x Hebel blocks 300x150x200
  • 2 x Hebel Power Panels 1200x600x75mm
  • Hebel Glue or Cob Mix to use as a mortar

Slab or Foundations
If you don't already have a slab to build your base on, you have a few options.

  • Lay a concrete slab at least 1300mm x 1300mm and build your oven on that.
  • Lay 9 300mm x 300mm concrete pavers and lay them in that.
  • Just lay concrete foundations to place the hebel blocks on.

You will also need a few tools:

  • Stirring Stick
  • Buckets
  • Tape Measure
  • String Line
  • Pencil
  • Spirit level
  • Square

2. Marking out the Base on the Slab 

Use a square and a tape measure to draw a 1200mm square onto the slab with a black pen. Next you will lay the outer edge of the blocks on the line. 

3. Mixing Mortar 

  • If you are using Hebel Glue Follow the directions on the tin. 
  • If using clay as a mortar:
  • Put about 3 litres of water into a bucket 
  • Tip about a quarter of a bag of cob into a bucket. 
  • Mix well with a stick or broom handle. Until a smooth paste is formed. 
  • If trowelling out is proving difficult, try adding more water.

4. Laying The Wall Blocks

  • Apply the cob mortar or Hebel Glue to the floor slab with notched trowel prior to laying the first row of blocks.
  • Lay blocks to the inside of the dotted line as shown. Note: The 300mm Block on the back.
  • Lay the blocks using a straight edge, by placing a wooden board along the line.
  • Mortar the risers of the hebel and tap them into place with the mallet
  • Place a square in the corners, to check that blocks are square, and you level on top to ensure they are level.
  • Once happy that all is square and level. You can move to the next step.

5. Laying the 2nd, 3rd and 4th Levels of Hebel

  • Repeat as you did the last level.
  • Except this time, the hebel is laid in a different pattern

  • Continue to ensure that everything is level, and square as you go.
  • Build the third in the arrangement below.

  • Finally build the 4th layer in the same arrangement as the 2nd.

6. Placing the top

  • Ensure your walls are level and square.
  • Mortar the top of the walls, as a bed for the hebel panels.
  • Place the hebel power panels on top.
  • Tap them into place untill they are level and square.
  • Wedge a piece of wood under the the middle of the base. This provides additional support to the hebel, under the wieght of the oven. This is especially necessary during construction, where there is the additional weight of the mouldning sand, and the water in the water in the oven.

What makes ROCKCOTE ovens so good?

  • The oven can cook three pizzas at a time
  • The heat bricks deliver an even heat source throughout the oven giving even cooking
  • Can be used to cook a wide variety of foods including meat, fish, bread and vegetables
  • The door height is 63% of the oven height to maximise efficiency
  • Every step of the building process has been simplified so anyone can do it

What is Cob?

Cob is clay, silt, sand and straw mixed together. It is the best thing to make the oven out of because:

  • It loves hot temperatures
  • It is easy to work with
  • It is plentiful, natural and carbon neutral

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