section_path: Production/Glazing
section_name: Glazing
paragraph_text: Glazing
  
  Glaze is a glassy coating on pottery, and reasons to use it include decoration, ensuring the item is impermeable to liquids, and minimizing the adherence of pollutants.
  
  Glaze may be applied by spraying, dipping, trailing or brushing on an aqueous suspension of the unfired glaze. The colour of a glaze after it has been fired may be significantly different from before firing. To prevent glazed wares sticking to kiln furniture during firing, either a small part of the object being fired (for example, the foot) is left unglazed or, alternatively, special refractory " spurs " are used as supports. These are removed and discarded after the firing.
  
  Some specialised glazing techniques include: