AAC blocks vs clay bricks

A quick comparison between Autoclaved Aerated Concrete (AAC) blocks and clay bricks


Serial
Parameter
AAC Blocks
Clay Bricks
1
Soil Consumption
Uses fly ash which is a thermal power plant waste product & thus no consumption of top soil
One sq ft of carpet area with clay brick walling will consume 25.5 kg of top soil
2
Fuel Consumption
One sq ft of carpet area with AAC blocks will consume 1 kg of coal
One sq ft of carpet area with clay bricks will consume 8 kg of coal
3
CO2 Emission
One sq ft of carpet area will emit 2.2 kg of CO2
One sq ft of carpet area will emit 17.6 kg of CO2
4
Labour
Organized sector with proper HR practices
Unorganized sector with rampant use of child labour
5
Production Facility
State-of-the-art factory facility
Unhealthy working conditions due to toxic gases
6
Tax Contribution
Contributes to government taxes in form of Central Excise, VAT and Octroi
Does not contribute to government exchequer
7
Size
625 mm x 240 mm x 100-300 mm
225 mm x 100 mm x 65 mm
8
Variation in Size
1.5 mm (+/-)
5 mm (+/-)
9
Compressive Strength
3.5-4 N/m2
2.5-3 N/m2
10
Dry Density
550-700 kg/m3
1800 kg/ m3
11
Fire Resistance (8″ wall)
Up to 7 hours
Around 2 hours
12
Cost Benefit
Reduction in dead weight leading to savings in steel and concrete
None
13
Energy Saving
Approximately 30% for heating and cooling
None
Multi-storied building using AAC blocks vs clay bricks

Multi-storied building using AAC blocks vs clay bricks

I hope this information helps settle AAC blocks vs clay bricks debate. :)

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