Using a Chiminea Indoors Chiminesas can add heat and ambiance to a backyard. It can also be used for cooking and is more secure than an open fire pit. Chimineas made of clay require a layer of sand at the bottom to stop thermal cracking due to abrupt temperature fluctuations. https://stovecanada54208.blogprodesign.com/51874745/chiminea-fire-pit-it-s-not-as-difficult-as-you-think