Using a Chiminea Indoors Chiminesas can add warmth and ambiance to a backyard space. It can also be used to cook and is more secure than a fire pit. Clay chimineas require an sand layer at the base to prevent cracks in the thermal structure due to abrupt temperature fluctuations. https://fireplaces-usa64208.thenerdsblog.com/35478649/what-big-chiminea-will-be-your-next-big-obsession