Bricks are characterized in terms of variety, size, shape and colour according to which they are being employed in the further construction. Generally bricks that are used for building have standard size of 190×90×90 mm in modular form while non-modular form of brick has standard size of 230×110×70 mm. bricks are being chosen on their type and form in their respective size.
- Actual bricks that are used for construction must be properly dried and treated for better durability.
- Bricks are said to be completely burnt when they make hard sound on being clasped together.
- Good bricks are characteristics with good & uniform shape, correct rectangular shape and shard edges.
- Brick used for construction purpose should contain pure material instead unnecessary lime, impurities like organic material and must not have any kind of crack and distorted edges.
- Bricks are ideal only if they absorb not more than 20% of water after immersed in water for atleast 24 hours.
- Ideally Bricks should contain appropriate composition of raw material in respect to clay 20 to 40%, sand 30 to 40% and silt 25 to 35%.
- Solid Brick should be produced from apt soil free from vegetable particles & roots, gravel, and coarse particles etc.
