Guide
The Complete Guide to Glazing Pottery
A deeply-referenced guide to glaze application, layering, surface techniques, troubleshooting, and international ceramic traditions. Built from books, manufacturer data, academic research, and practitioner knowledge.
Foundations
What a glaze is, how it differs from paint, cone ranges, specific gravity, surface preparation, and the chemistry behind it all.
Application Methods
Dipping, pouring, spraying, brushing, trailing, sponging — equipment, technique, and when to use each method.
Layering Theory & Practice
Why glazes interact when layered, eutectic melting, viscosity and flow, layering strategies, and systematic testing.
Resist & Decorative Techniques
Wax resist, sgraffito, mishima, underglaze techniques, overglaze enamels, and combining methods.
Firing Considerations
How oxidation, reduction, ramp rate, cooling, and kiln type affect your glaze results.
Troubleshooting
Crawling, pinholing, crazing, shivering, running, blistering — causes, fixes, and the science behind each defect.
International Traditions
Glazing techniques from Japan, China, Korea, the Islamic world, the Mediterranean, Europe, the Americas, Africa, and beyond.
About this guide
Every factual claim in this guide is backed by a specific reference — book and page number, manufacturer document, academic paper, or museum source. Content was researched in parallel by multiple AI models (Claude, GPT, Grok) and arbitrated by the Glaze Library team. Where advice varies by cone range, clay body, or kiln type, we say so.
This is a living document. New sections and deeper coverage are added regularly. If you spot an error or know a source we should include, let us know.