Can you make your own refractory cement?
You will need about 1 part (by volume) of Furnace Cement for each 4 parts (by volume) of Perlite so for a two gallon bag of Perlite you will need a half gallon of Furnace Cement.
Can you mix refractory cement with regular cement?
Never use a cement mixer. Refractory mixed in a cement mixer will not have the strength characteristics expected by design. A cement mixer should only be used for adding the initial amounts of water to the dry mix.
How do you make refractory adhesive?
Formula 1 part Furnace cement + 4 parts Perlite (This is by volume. For example, if you use ½ gallon of Furnace cement, you will need to purchase 2 gallons of Perlite.)…Refractory Cement Recipe #2
- Furnace cement.
- Perlite.
- Water.
Can I use normal cement in a pizza oven?
This is the mortar that you will use to lay the bricks of your pizza oven where excessive heat resistance is not required. The mortar is for use with general building bricks, not refractory fire bricks. It is very easy to prepare and you will require: Sand….General Purpose Building Mortar.
| Sand | Portland Cement | Lime |
|---|---|---|
| 6 | 1 | 1 |
What to add to cement to make it heat resistant?
Calcium Aluminate cement and Lime will work the best as the cement in hot cooking conditions- This applies to refractory concrete as well as to heat resistant mortars. (Lime is sometimes mixed into fire clays.
What can I use instead of fire clay?
Firebricks are the protective bricks used in most fireplaces to withstand the immense heat produced, but they are not the only material that can be used this way. Some alternatives do exist, such as sandstone and soapstone. Refractory concrete is another great heat deterrent as are old red clay bricks.
What cement is used for a pizza oven?
Builder’s mortar or refractory mortar coupled with Portland cement based concrete or refractory concrete is used extensively to build high quality pizza ovens. A layer of mortar 1/4″ (6mm) thick should be applied between bricks to create solid adhesion.
Is perlite a refractory?
Perlite is not refractory in a ceramic sense, being a volcanic glaze it melts fairly early. A very novel use of the perlite is making insulating boards and shapes by cementing the granules using sodium silicate (there are many videos on youtube about this).