Large Clay Chimineas For Sale Chimineas made of clay 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 https://stoveuk86420.canariblogs.com/20-amazing-quotes-about-biggest-chiminea-45142787