First Class Bricks
Bricks used for the construction work can be classified into two categories they are Unburnt or sun dried bricks and burnt bricks.
Unburnt or sundried bricks
These kinds of bricks are always used to get dried in sun after moulding, such kind of bricks are called as kucha bricks. These bricks are used in the temporary constructions like wall of the huts; it cannot be used in the area, where it is exposed to rains. Therefore it is not used for construction buildings, dams, etc.
Burnt bricks are the one which is used for permanent constructions, like dam, bridges, Buildings, etc, and this can be exposed to rain also. These burnt bricks are tested by following test,
These are test used to determine the suitability of bricks. This burnt bricks are classified into four classes, they are first class bricks, second class bricks, third class bricks, and Kiln rejects: Zhama bricks and pila bricks.
First Class bricks
This brick is the well burnt table moulded brick, which is red or copper colour. This first class bricks has the uniform length and width and sharp well defined edges. This kind of bricks have reasonable smooth surface without having any flaws, cracks and stone grits. This is used for the construction of superior work.
First class bricks characteristics
First class bricks Uses
This brick is used for sound work of permanent nature, construction of load bearing walls, facia work which is not plastered but not properly jointed, reinforced brick work, pavements, walkaways and flooring.