Using a Chiminea Indoors A chiminea adds warmth and ambiance to your backyard space. It can be used for cooking and is more secure than a fireplace. Clay chimineas require an additional layer of sand at the base to prevent cracks in the thermal structure due to abrupt temperature fluctuations. https://fireplace-uk77665.blazingblog.com/29941827/10-things-we-all-love-about-chiminea-fire-pit