Terra Sigillata Workshop with Kari Radasch

Terra sigillata is a type of ultrarefined clay slip that can produce a variety of surface effects from soft and subtle to bold and graphic. It can be layered to achieve beautiful surface depth or applied as a gesso for glaze. Explore different methods of working with terra sig that can be adapted for use in the classroom with students of all ages and experience levels. Guest artist Kari Radasch will guide participants through the stages of mixing terra sig from start to finish and will share her approach to making custom colors using both stains and underglazes. 

November 9, 2023
9:00 a.m. to 4:00 p.m.
$50 per person
Open K-12 art educators teaching in Maine

Workshop Details

  • The workshop will run from 9:00 a.m. to 4:00 p.m. Please arrive at the studio by 8:45 a.m. as instruction will begin promptly. 
  • Watershed will provide lunch. Gluten free and vegetarian diets can be accommodated. Those with other dietary needs may bring supplementary food. 
  • Upon completion of the workshop, Watershed will provide participants with proof of contact hours. 
  • Payment is due online with registration.
  • Watershed can provide participants with a receipt to submit for reimbursement.
  • Registration fees are refundable until 14 days prior to the workshop.  
  • Workshop participants agree to follow Watershed’s health and safety guidelines

What to Bring

  • Basic clay tools*
  • Soft paint brushes that hold lots of liquid
  • A sleeve of plastic cups (25 +/-)
  • An dedicated ceramic immersion blender (Only if you have one. Don’t purchase one if you do not.)
  • Yogurt/plastic containers with lids (6-8)
  • 3-5 bone dry pots or sculptures, preferably made from earthenware. (Bring what you have if you don’t have earthenware)
  • 5 lbs of your preferred clay (for test tiles)
  • Notebook/glazebook for taking notes
  • Banding wheel (if you have one)
  • Packing material to transport work

*Bring what you have but don’t purchase tools or supplies just for this class!


About Kari

Kari Radasch is a mother, potter and tile maker living in Portland Maine. She received her BFA from the Maine College of Art and her MFA from the University of Nebraska – Lincoln. Kari aims to make celebratory pottery using earthenware clay and color as a metaphor for joy. She plucks nostalgic observations from her life and reassembles and reimagines these investigations onto functional dishes – a format that has the unique ability to hold a warm, sentimental place in our lives. She has taught workshops and lectured across the country and loves to share her excitement for clay with her students.