Chef Essential 14x16" Cordierite Baking/Pizza Stone Make your own brick oven taste pizza, breads, rolls, biscuits at home. A pizza stone duplicates crispy pizzeria-style crust. Oven or grill must be pre-heated to at least 500 degrees F (260C) prior to baking. While oven is heating up, Insert stone for 30 minutes prior to baking anything on it. Construction from firebrick offers supreme heat retention and evenly balanced distribution, Reheat ready-made frozen pizza. Flat surface releases the pizza or bread easily and quickly. Stone requires no seasoning or conditioning. Durable texture resists cracking caused by high temperatures. Lifetime warranty from the manufacturer.