Using a Chiminea Indoors Chiminesas add warmth and ambiance to your backyard space. It can also be used for cooking and is more secure than an open fire pit. Clay Chimineas require a layer sand in the base to protect them from thermal cracks caused by sudden fluctuations in temperature. https://fireplaces00887.blogscribble.com/29928803/why-big-chiminea-could-be-your-next-big-obsession