42GD Firebrick Arch Section - 505mm Arch x 340mm Dia Height

Firebrick Arch 42GD to make the arch shown in the diagram which can be used in pizza oven construction or in kilns and furnaces alike. The arch is 230mm deep from front to back. The arch is 505mm (Internal diameter) x 340mm (internal height). This arch may need a little mortar to joint the bricks (KLWASC).