Large Clay Chimineas For Sale Chimineas made of clay should be protected from the elements. If left exposed to cold and rain 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://stovecanada67890.blogdal.com/30266381/10-misconceptions-that-your-boss-may-have-about-biggest-chiminea