Comparison of Red Clay Bricks and Fly Ash Bricks

Comparison of Red Bricks and Fly Ash Bricks



Red Bricks/Clay        Bricks



Fly Ash Bricks



Density 1600-1750 kg/m3 1700-1850 kg/m3 Higher load-bearing
Compressive strength 30-35 kg/cm2 90-100 kg/cm2 Higher load-bearing
Absorption 15-25% 10-14% Less dampness
Dimensional stability Very low tolerance High tolerance Saving in mortar up to 25%
Wastage during transit Up to 10% Less than 2% Saving in cost up to 8%
Plastering Thickness varies on both sides of the wall Even on both sides Saving in plaster up to 15%.