Fire clay bricks are the most widely used refractories made from clay minerals. It can be easily located out in the nature and contains suitable content ratio of silica, cyanite and alumina. Some people call them fireplace bricks as they are usedor building cooking chamber in wood fired ovens, for creating fireplaces, all sorts of fire boxes and wood heaters lining, linings in a small or the hugest industrial furnaces, you name it. Fire clay bricks have low porosity and are durable for various re-heating process.