Modern barbecue grills are made of various materials such as heat-resistant ceramics and other heat-resistant materials, as well as terracotta - a traditional porous baked ceramic made of natural clay, Portland cement, or a mixture of milled lava rock. The surface of the barbecue grill can also vary greatly. It can be coated with glossy ceramic glaze, paint, decorative textured plaster, or ceramic mosaic. Modern ceramics and fire-resistant materials protect barbecue grills from cracking.
