Large Clay Chimineas For Sale Clay chimineas need to be protected from the weather. If left exposed to cold and rain a chiminea made of clay can get softer or crack. Chimineas to be frequently used should be filled to 50mm with Sand or Gardeco Lava Stones (see Accessories above). https://stove43196.alltdesign.com/5-common-myths-about-biggest-chiminea-you-should-stay-clear-of-49635611