Parameters |
Burnt Clay Brick |
Hollow Bricks |
Foam Concrete |
Basic Raw Material |
Agricultural soil, coal or wood for firing |
Cement, sand, fly ash, lime& aggregates |
Cement, sand , fly ash, foam & water |
Production Process andSetup |
Kilns |
Mobile or Stationary plant |
On-site Production |
Dry Density kg/m3 |
1800-2000 |
1900-2100 |
300-600/ 800-1000 /1200-1800 |
Compressive Strength kg/cm2 |
30-80 |
30-150 |
4-10 / 25-35 / 125-250 |
Applications |
Load bearing & Non-load bearings |
Load bearing & Non-load bearings walls |
Thermal insulation, Partitions, Load & Non- load bearings |
Pre cast block size |
229*114*70 mm |
400*200*200/100 mm |
600*300*100/150/200 |
Cast-in place |
Not- Feasible |
Not-Feasible |
Any shape, any size, any density |
Compaction during production |
Yes |
Yes |
None |
Aging |
No |
Yes |
Gain strength with age |
Thermal ConductivityW/mK |
0.7 |
1.1 |
0.16 for 500 kg/m30.21 for 800 kg/m30.28 for 1000 kg/m3 |
Sound Insulation |
Normal |
Better |
Superior |
Ease of working |
Normal |
Difficult |
Can be cut, sawn, nailed, drilled |
Eco Friendliness |
Process creates smoke, uses high energy, wasting agricultural lands |
Low energy, No smoke |
Pollution free, Green product, Least energy, Reuse of Industrial wastes |