Decide how you will use a garden pizza oven before choosing the bricks. Live-fire pizza cooking and later bread baking place different demands on heat storage, doors and insulation. In March, begin with a drawing of the chamber and the complete exterior dimensions, rather than ordering materials from the cooking diameter alone.
Measure more than the cooking chamber
Mark the base, oven entrance, flue and working space on the sketch. Include nearby buildings, plants, wood storage and the access route. The finished oven will be wider than the cooking surface once insulation and the exterior finish are added.
Plan rainwater management too. Runoff from a roof or terrace should not collect at the base. If using an existing design, check its requirements before changing the entrance proportions or chimney position.
Give each layer a defined role
Vitcas firebrick forms a suitable working lining and stores heat. Ceramic fibre insulation board, used below the chamber in compatible oven assemblies, serves a different purpose. Select insulation with regard to the complete construction, load and available space.
For the specified outdoor masonry joints, choose a suitable exterior refractory mortar such as Outdoor Oven Cement. A refractory label alone does not establish weather resistance or the permitted joint dimensions.
Build the shopping list from the drawing
- Count bricks, planned cuts and the allowance required by the layout.
- Calculate mortar, base insulation and dome insulation separately.
- Include fixings, the exterior protective layer, entrance parts and flue components.
- Allow time for setting, drying and initial heating.
Record the selected product beside each layer. If a material changes, this makes it possible to check the affected detail and its interfaces before altering the complete assembly.