Using a Chiminea Indoors Chiminesas can add warmth and ambiance to your backyard. It can also be used to cook and is more secure than the fire pit. Clay Chimineas need a layer of sand in the base to protect them from thermal cracks caused by sudden fluctuations in temperature. https://fireplaces-usa64208.thenerdsblog.com/35478649/what-big-chiminea-will-be-your-next-big-obsession