The Ovenzz Vault Pizza Oven Kit from HarbisonWalker International comes with all the refractory shapes, forms and insulation required for this barrel-shaped oven. The kit includes wooden forms, stainless steel door, stainless steel chimney, as well as mortar, insulation and instructions. HarbisonWalker International's OVENZZ products are certified by NSF International and maintain NSF/ANSI Standard 51 for use as a food equipment material and in food applications. Also included are the necessary personal safety equipment. Once finished, just add your weatherproofing exterior and you're ready to go. Shipping is FREE (contiguous US only).