MATERIAL: Constructed from high-temperature fired fireclay; a ceramic material with strong mechanical and chemical bonds; capable of withstanding the high temperatures of solid fuel and gas fires HEAT EFFICIENCY: Fireclay absorbs and radiates heat back into the room; installation of a radiant fireback reported to increase fireplace efficiency by up to 50%; retains heat longer than standard fire bricks SIZING OPTIONS: Available in four sizes - 12, 14, 16 and 18 inch; select a fireback up to the width of your fireplace back wall; suitable for standard and tapered fireboxes CONSTRUCTION: One-piece construction available with or without cut-out for back-boiler with scored joint for easy separation; supplied with or without a throat-forming lintel; suitable for building or upgrading a universal fireplace Versatile use: Suitable for upgrading worn fire bricks; improves heat retention within the firebox; fireclay material also used in high-temperature oven construction for proven thermal performance