Amazon.com: Simond Store Ceramic Fiber Blanket, 8LB 2600F, 1" X 12" X 24", High Temperature Insulation for Forge Furnace Wood Stove Fireplace Kiln Pizza Oven Insulation, Dishwasher Insulation Blanket with Knife :
Home Intuition Ceramic Fiber Insulation Blanket Sheet 12"x24", Fire Rated up to 2500F - High Temperature Fireproof for Oven, Fireplace, Furnace, Gas Forge, Boiler, Pipe, & Dishwasher - Walmart.com