Brick is obtained by moulding good clay into a block, which is dried and then burnt. It is the oldest building block to replace stone. Manufacture of brick started having hand moulding, sun drying and burning in clamps. A significant amount of technological development has occurs with better knowledge regarding to properties of raw materials, better machineries and improved techniques of moulding drying and burning.
The size of the bricks is of 90 mm × 90 mm × 90 mm & 190 mm × 90 mm × 40 mm. the size of these bricks are taken as 200 mm × 100 mm × 100 mm and 200 mm × 100 mm × 50 mm With mortar joints. Though the old size giving a masonary size of commonly used in India.