Fly Ash Bricks Vs Regular Clay Bricks

Fly ash bricks are hi-tech well-improved quality bricks used for construction of brick masonry structures. They are used as replacement for normal clay bricks and has better properties than it. Fly ash bricks competitive in comparison to the conventional clay bricks and provide enormous indirect benefits. The utilization of fly ash bricks results in conservation of natural resources as well as protection of environment.

Dimension of Bricks in CM

Type Length Width Height
Fly Ash Bricks 23 11 7
Burnt Clay Bricks 21 10 7

Bricks required for 1M3 Wall with Mortar

Type Qty (Nos)
Fly Ash Bricks 434
Burnt Clay Bricks 516

Technical Comparision

Properties Red Bricks/Clay Bricks Fly Ash Bricks Remarks
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 vary on the both sides of wall Even on both sides Saving in plaster up to 15%.
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