Fly ash Bricks Vs Normal Clay Bricks | Comparison





FLY ASH BRICK                                                                                 

NORMAL CLAY BRICK

Uniform pleasing colour like cement

Varying colour as per soil

Uniform in shape and smooth in finish

Uneven shape as hand made

Dense composition

Lightly bonded

No plastering required

Plastering required

Lighter in weight

Heavier in weight

Compressive strength is around 100 Kg/cm2

Compressive strength is around 35 Kg/cm2

Less porous

More porous

Thermal conductivity 0.90-1.05 W/m2 ºC

Thermal conductivity 1.25 – 1.35 W/m2 ºC

Water absorption 6-12%

Water absorption 20-25%