How to Build a Homemade Kiln
If you can find some red bricks and an old wood stove, you will be able to construct a homemade kiln. It is easy to put together and to take apart. You can build it as high as you need. When you build the brick box over the old wood stove, it will create a kiln that you can use to make your pottery. Does this Spark an idea?
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Instructions
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The Process
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Collect hard firebrick (red bricks), an ideal material to build a homemade kiln. These bricks are made of clay. Brick-made pottery kilns can withstand heat, absorb it and transfer it back to the pots so that they are heated uniformly and for long periods of time. For the fire, get dry seasoned wood that can burn at a very high temperature. Use a newspaper to help start the wood fire.
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Make a dry-stacked kiln by stacking the bricks one on top of the other without using mortar--the kiln will be temporary, but it will still achieve more or less the same temperature as a kiln made using mortar. The dry-stacked kiln is made by placing the the firebox (where the wood is kept) below and the ware chamber (where pots are placed) above it.
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Put the pots inside the ware chamber, and stack more bricks at the top to create a roof. Build a brick chimney or make a hole at one end, so that you can insert a pipe into the hole. This will draw the heat and smoke through the fireplace and away from the kiln for uniform and effective heating.
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Make a small fire to fire up the kiln. Don't heat it too fast because the clay will crack. It will take about two hours or more to feed the fire and increase the heat slowly so that you can have a better finished product.
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Tips & Warnings
It is better to build your own kiln than to buy it, because you can determine the shape and size.
