Vermiculite Pizza Oven Floor

A 100l bag from a fire stove store cost 19 go figure.

Vermiculite pizza oven floor.

The dome is formed by applying the concrete over a spherical mold commonly an exercise ball and leaving it to dry. All i was looking for to calculate the amount of material needed for making a lightweight concrete form vermiculite. 1 cubic meter for an area in 100mm or 4 inches thick layer or possibly with an increased thickness for extra structural strength. Also page for how to add back up insulation to refractory hot.

By vermiculite for my pizza oven job. Comparing the weight and strength of wood fired oven doors constructed of vermicrete and percrete. Even it helps to add another insulating material on pizza oven. Ball in hand test.

At this stage the mixture should be a wet slurry mix. 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. 4 10 lb ft3 64 160kg m3 and thermal conductivity. I started with a dry mix of 5 parts vermiculite to 1 part portland cement.

Vermiculite insulation for pizza oven dome. Vermiculite is mixed with cement at different ratio and applied on oven dome hearth and top of the oven roof as insulating material. Finally add the last 50 litre vermiculite slowly until the mix comes to the correct consistency adding more water if necessary. 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.

Vermiculite is a heat proof insulation material typically used in chimney backfills and is cheap and easy to find in your local builders yard. A 10l bag of vermiculite cost 5 at the garden centre. Vermiculite is used to insulate oven dome outside. We created a 4 layer of vermicrete made up of 9 parts vermiculite to 1 part portland cement a part is a spade full.

Now the vermiculite mix but first here is a tip for gardeners. 0 40 0 45 btu in sq ft deg f 0 058 0 068 w mk i have a book somewhere on perlite concrete s when i get back home i could look in it if. Litre bag of vermiculite. It works as good and very effective insulator in pizza oven.

When the new perlite oven is in location we will do some h.