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Thursday Evening Soda Kiln and Gas Reduction Kiln Firing

Ongoing Class

Event Dates and Times:

April 20 (6:00 pm - 9:00 pm) - June 29

Event Cost:


10 Thursdays: April 20 – June 29 (No class on May 11)

Explore the reduction process in the Bailey gas kiln and our brand-new Soda Kiln. You will make pieces to fill these kilns. They can be sculptural, handbuilt, or wheel-thrown. Glazes react differently in a reduction atmosphere versus the oxidation atmosphere of an electric kiln. The clay body is reduced and turns a darker color. Certain glazes, like the Shino glaze, will develop carbon trapping and have a gray/black to golden color. In the Soda Kiln, which is also gas-powered and creates a reduction environment, soda ash is sprayed in the kiln when it reaches approximately 2200 degrees. It evaporates and forms a glassy surface and unique glaze reactions. The kilns will be fired once to experiment with glazes and then a second time to use the knowledge gained to create intentional results. This class is open to intermediate and advanced students. No outside clay permitted.

If a class or workshop is sold out, you may request to be added to the waitlist by emailing [email protected].

Union Project is committed to being accessible to all. The building is wheelchair accessible via the side door on Stanton Avenue, and an accessible parking spot is located just outside that door. Service animals are always welcome, and ASL interpretation can be provided on request. Please let us know what accommodations we can make to ensure your experience is positive, contact Michelle Clesse at 412-363-4550 or [email protected] if you have specific accommodations or needs.

Learn more about our Ceramics Classes.

For more information, contact us.


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