Vermiculite Pizza Oven Floor

A 10l bag of vermiculite cost 5 at the garden centre.

Vermiculite pizza oven floor. All i was looking for to calculate the amount of material needed for making a lightweight concrete form vermiculite. 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. A 100l bag from a fire stove store cost 19 go figure. Litre bag of vermiculite.

Comparing the weight and strength of wood fired oven doors constructed of vermicrete and percrete. For this part i used 200l of vermiculate to create an insulation base of 6. Ensure to keep the mix very wet add more water if you find it too dry. 1 cubic meter for an area in 100mm or 4 inches thick layer or possibly with an increased thickness for extra structural strength.

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. When the new perlite oven is in location we will do some h. Vermiculite insulation for pizza oven dome.

Even it helps to add another insulating material on pizza oven. Vermiculite is a heat proof insulation material typically used in chimney backfills and is cheap and easy to find in your local builders yard. 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. 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. It works as good and very effective insulator in pizza oven. The dome is formed by applying the concrete over a spherical mold commonly an exercise ball and leaving it to dry. Vermiculite is used to insulate oven dome outside.

Ball in hand test. Add the 25kgs of ciment fondu. Now the vermiculite mix but first here is a tip for gardeners. We created a 4 layer of vermicrete made up of 9 parts vermiculite to 1 part portland cement a part is a spade full.

At this stage the mixture should be a wet slurry mix.