Cast Iron Furnace Fire Door Clay Bread Oven Doors Pizza Stove Fireplace Grill. Furnace Door Iron Arched Vintage Fireplace Stove Fire Smoke High Quality? Covered with refractory paint + 800C. Material: gray cast iron MID 20. Weight: 13.2 kg? Please see pictures for all dimensions. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.