| Parameter |
AAC Block |
Clay Bricks |
| Structural Cost |
Steel Saving Upto 15% |
No Saving |
| Cement Mortar for Plaster & Masonry |
Requires less due to flat, even surfaces & less number of joints |
Requires more due to irregular surface and more number of joints. |
| Breakage |
Less than 5% |
Average 10 to 12 % |
| Construction speed |
Speedy construction due to its big size, light weight & ease to cut in any size or shape |
Comparatively slow |
| Quality |
Uniform & Consistent |
Normally varies |
| Fitting & Chasing |
All kind of fitting and chasing possible |
All kind of fitting and chasing possible |
| Carpet Area |
More due to less thickness of walling material |
Comparatively low |
| Availability |
Anytime |
Shortage in monsoon |
| Energy Saving |
Approx. 30% reduction in air-conditioned load |
No such saving |
| Chemical Composition |
Sand/Flyash used around 60 - 70 % which reacts with Lime & Cement to form AAC |
Soil is used which contains many inorganic impurities like sulphates etc. resulting in efflorescence |
