Large Clay Chimineas For Sale Chimineas made of clay need to be protected from the elements. If left exposed to cold and rain a chiminea made of clay can get softer or crack. Chimineas that are used regularly should be filled 50mm with sand or Gardeco Lava Stones (see Accessories https://fireplaces-and-stove65319.bloggadores.com/29396661/11-ways-to-totally-block-your-biggest-chiminea