A 10l bag of vermiculite cost 5 at the garden centre.
Vermiculite pizza oven floor.
It works as good and very effective insulator in pizza oven.
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.
4 10 lb ft3 64 160kg m3 and thermal conductivity.
Litre bag of vermiculite.
Vermiculite is used to insulate oven dome outside.
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 100l bag from a fire stove store cost 19 go figure.
Add the 25kgs of ciment fondu.
Ensure to keep the mix very wet add more water if you find it too dry.
We created a 4 layer of vermicrete made up of 9 parts vermiculite to 1 part portland cement a part is a spade full.
1 cubic meter for an area in 100mm or 4 inches thick layer or possibly with an increased thickness for extra structural strength.
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.
For this part i used 200l of vermiculate to create an insulation base of 6.
Ball in hand test.
Also page for how to add back up insulation to refractory hot.
Comparing the weight and strength of wood fired oven doors constructed of vermicrete and percrete.
When the new perlite oven is in location we will do some h.
At this stage the mixture should be a wet slurry mix.
I started with a dry mix of 5 parts vermiculite to 1 part portland cement.
Now the vermiculite mix but first here is a tip for gardeners.
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.
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.
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.