Large Clay Chimineas For Sale Chimineas made of clay need to be protected from the elements. If exposed to rain and cold a chiminea made of clay can become softer or crack. Chimineas that are used regularly should be filled 50mm with Sand or Gardeco Lava Stones (see Accessories above). https://fireplacesandstove-com01111.spintheblog.com/30227502/biggest-chiminea-it-s-not-as-expensive-as-you-think