Vermiculite Pizza Oven Floor

We created a 4 layer of vermicrete made up of 9 parts vermiculite to 1 part portland cement a part is a spade full.

Vermiculite pizza oven floor.

All i was looking for to calculate the amount of material needed for making a lightweight concrete form vermiculite. Vermiculite is a heat proof insulation material typically used in chimney backfills and is cheap and easy to find in your local builders yard. The dome is formed by applying the concrete over a spherical mold commonly an exercise ball and leaving it to dry. At this stage the mixture should be a wet slurry mix.

Although some grades are a bit more absorbing it won t matter in wood oven it will do the job well as loose in a sealed fill. A 10l bag of vermiculite cost 5 at the garden centre. By vermiculite for my pizza oven job. For this part i used 200l of vermiculate to create an insulation base of 6.

Also page for how to add back up insulation to refractory hot. It works as good and very effective insulator in pizza oven. When the new perlite oven is in location we will do some h. A 100l bag from a fire stove store cost 19 go figure.

Add the 25kgs of ciment fondu. Ball in hand test. Vermiculite is mixed with cement at different ratio and applied on oven dome hearth and top of the oven roof as insulating material. I started with a dry mix of 5 parts vermiculite to 1 part portland cement.

Comparing the weight and strength of wood fired oven doors constructed of vermicrete and percrete. 4 10 lb ft3 64 160kg m3 and thermal conductivity. Even it helps to add another insulating material on pizza oven. Finally add the last 50 litre vermiculite slowly until the mix comes to the correct consistency adding more water if necessary.

Litre bag of vermiculite. Vermiculite is used to insulate oven dome outside. Now the vermiculite mix but first here is a tip for gardeners. 1 cubic meter for an area in 100mm or 4 inches thick layer or possibly with an increased thickness for extra structural strength.

A vermiculite pizza oven is one that is made from a concrete composed of the coarsely ground highly insulatory mineral vermiculite and a refractory cement suitable to withstand high temperatures.