Using a Chiminea Indoors Chiminesas add warmth and ambiance to your backyard space. It can also be used to cook and is more secure than an open fire pit. Clay Chimineas require a layer sand on the base to help them resist thermal cracking due to sudden changes in temperature. https://fireplacecanada43198.shotblogs.com/10-misconceptions-your-boss-holds-about-chiminea-fire-pit-chiminea-fire-pit-43941103