04/09/2026
Glaze defects can be frustrating, but it does tell you a lot about what's happening inside your kiln and during your application process...
A common misconception is that glaze defects occur solely because of the glaze itself. However, there are plenty of ways a glaze firing can go slightly off track. The good news? Most defects have a cause. Whether that’s glaze thickness, application, firing schedules, the clay body or the glaze itself.
We’ve put together a guide to some of the most common glaze defects, what they look like and what might be causing them.
Save this post for your next glaze troubleshooting session, and let us know in the comments which glaze defect you've come across in your studio👇