Do kilns really need peep holes?

Do kilns really need peep holes?

From For Flux Sake by Kathy King, Rose Katz, Matt Katz

January 15, 2026 · 34 min · Season 5 · Episode 121

About this episode

The episode discusses the necessity of peep holes in kilns and explores various glazing techniques.

Have you ever wondered why kilns have peep holes? Today Matt, Rose, and Kathy debate the function and necessity of peep holes, while also tackling a question about glazing only the interior of a pot. They also start the episode talking about the research Kathy is doing at Harvard Ceramics into the historic use of graphite as a ceramic sealer. Do you have questions or need advice on glazes? Drop us a line at ForFluxSakePodcast@gmail.com and you could be featured on an upcoming show. Have you checked out the new For Flux Sake Patreon? This is a great way to show your support and have access to discounted merch, live hangouts, and extra episodes. Head over to Patreon and sign up today. Today's episode is brought to you by Monkey Stuff , The Rosenfield Collection , Cornell Studio Supply , and Ceramic Materials Workshop's Making Glaze Make Sense . This week's episode features the following topics: Peep hole, kiln venting, glaze tension, glaze compression, dunting, vitrification

People in this episode

Hosts: Kathy King, Rose Katz, Matt Katz

Topics covered

  • Peep hole
  • kiln venting
  • glaze tension
  • glaze compression
  • dunting
  • vitrification

Keywords

  • kilns
  • peep holes
  • glazing
  • ceramics
  • vitrification
  • dunting
  • glaze tension
  • glaze compression

Sponsors

Monkey Stuff, The Rosenfield Collection, Cornell Studio Supply, Ceramic Materials Workshop's Making Glaze Make Sense

Mentioned in this episode

Organizations: Harvard Ceramics

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