Bricks may be broadly classified as
1- Building bricks
2- Paving bricks
3- Fire bricks
4- Special bricks.
Building Bricks: These bricks are used for the construction of walls.
Paving Bricks: These are vitrified bricks and are used as pavers.
Fire Bricks: These bricks are specially made to withstand furnace temperature. Silica bricks belong to this category.
Special Bricks: These bricks are different from the commonly used building bricks with respect to their shape and the purpose for which they are made. Some of such bricks are listed below:
1- Specially shaped bricks
2- Facing bricks
3- Perforated building bricks
4- Burnt clay hollow bricks
5- Sewer bricks
6- Acid-resistant bricks