Comparison
Particulars
AAC Blocks
Red Laterite Blocks
Size(Lx Bx H) mm
600 x 200 x 100/150/200/230
300 x 200 x150
Precision in size mm
±1(thickness & height)
±5(length)
Dry density
600-700Kg/m3 (Oven dry)
1800 kg/m3
Sound Reduction Index (DB)
45 for 200mm thick wall
50 for 230mm thick wall
Thermal Conductivity (W/MK)
0.16
0.81
Mortal Consumption m2 with 1.6
0.5 Bag of Cement
1.35 bag of Cement
Chemical Composition
30 m2
20 m2
Construction Time per mason
Fly-ash used around 65% which reacts with binders for form AAC
Soil is used which contains Inorganic impurities in Efflorescence
Finishing
Can be directly cut or shaped/sculptured as required
Not Possible
Cost benefit factor
Up to 24% in structural cost (subject to project design)
No Cost Benefit
Energy Saving
Up to 30% of Air-Conditioning load
No Energy Saving
Capillary Water Absorption
Less (due to low density)
More (due to high density)
Thermal Conductivity (W/MK)
0.16
0.81
AAC Blocks
Size(Lx Bx H) mm
600 x 200 x 100/150/200/230
Precision in size mm
±1(thickness & height)
Dry density
600-700Kg/m3 (Oven dry)
Sound Reduction Index (DB)
45 for 200mm thick wall
Mortal Consumption m2 with 1.6
0.5 Bag of Cement
Chemical Composition
30 m2
Construction Time per mason
Fly-ash used around 65% which reacts with binders for form AAC
Finishing
Can be directly cut or shaped/sculptured as required
Cost benefit factor
Up to 24% in structural cost (subject to project design)
Energy Saving
Up to 30% of Air-Conditioning load
Capillary Water Absorption
Less (due to low density)
Red Clay Blocks
Size(Lx Bx H) mm
300 x 200 x150
Precision in size mm
±5(length)
Dry density
1800 kg/m3
Sound Reduction Index (DB)
50 for 230mm thick wall
Mortal Consumption m2 with 1.6
1.35 bag of Cement
Chemical Composition
20 m2
Construction Time per mason
Soil is used which contains Inorganic impurities in Efflorescence
Finishing
Not Possible
Cost benefit factor
No Cost Benefit
Energy Saving
No Energy Saving
Capillary Water Absorption
More (due to high density)
Technical Specification
Particulars
Unit
Value
Size
mm
600x200/100, 150, 200, 230
Thickness
mm
50, 75, 100, 125, 150, 200, 300
Size Tolerance
mm
+2
Compressive Strength(IS:2185 Part III)
N/mm2
3 - 4.5
Oven Dry Density (IS:2185 Part III)
Kg/m3
550 - 650
Fire Resistance
Hrs.
4 (For 200mm thick Wall)
Thermal Conductivity Index
KW/m/c
0.16
Sound Reduction Index
dB
45 (For 200mm thick Wall)
Dry Shrinkage (IS:2185 Part III)
%
0.04
SIZE (MM)
Length
Height
Thickness
Volume(Cu.M)
Pieces(Cu.M)
600
200
100
0.012
83.33
600
200
150
0.018
55.56
600
200
200
0.024
41.67
600
200
230
0.0276
36.23
