What is a glaze firing?
This is the final firing in which you add glaze to your work then fire it to a specific temperature depending on the clay body. Some people call this a ‘gloss’ firing. For example, stoneware, white stoneware and porcelain all vitrify when fired to cone 10. Glazed earthenware is fired to around Cone 05. Glazed stoneware and porcelain are fired in the range of Cone 4 – 11.