Product Comparision Table
COMPARISION OF CLC BLOCK & AAC BLOCKS
| Parameter | CLC Blocks | AAC Blocks |
|---|---|---|
| Basic Raw Material | Cement , Flyash, Water & Foaming Compound | Cement, Flyash, Sand, Gypsum, Lime, Alumina & Energy |
| Basic Structure | Fully Solid Structure | Fully Solid Structure |
| Mortar Requirement | Regular Sand / Cement Mortar | Specialized AAC Adhesive |
| External Walls | Regular Plastering | Water Proofing Plaster |
| Dampness During Rainy Season | No Seepage / Dampness | Seepage / Dampness if no water proofing plaster applied |
| Plastering | Very Easy due to Maximum Cement Content | Very Tough due to high water absorption |
| Cracks in Plaster | No Cracks in Plaster | Development of Cracks in cracks after a period of time |
| Dry Density kg/m3 | 800 | 600 - 750 |
| Compressive Strength in kg/cm3 | 30 | 35 |
| Water Absorption % by weight | 12 % of Volume | 45% of Volume |
| Thermal Conductivity (W/m.k.) | 0.15 for 800 kg/m3 | 0.132 – 0.151 |
| Sound Insulation | Superior than burnt clay & hollow concrete | Superior than burnt clay & hollow concrete |
| Ease of Working | Can be cut, nailed & drilled | Can be cut, nailed & drilled |
| Range of applications / utility | Non-load bearing blocks | Non-load bearing blocks |
| Door Frames & Windows Installation | Easy | Easy |
| Eco Friendliness | Pollution free, Least energy requirement, Can consume fly ash around 33% | Creates Smoke, Uses Very High energy |
| Structural saving due to dead weight reduction | 50% reduction in weight of walls. Tremendous structural saving for high rise buildings in Earthquake / Poor soil area | 55% reduction in weight of walls. Tremendous structural saving for high rise buildings in Earthquake / Poor soil area |
| Parameter | Durabloc | AAC Blocks | Concrete Blocks | Clay Bricks | Flyash Bricks |
|---|---|---|---|---|---|
| Basic Raw Material | Cement , Flyash, Water & Foaming Compound | Cement, Flyash & Aeration Agent | Cement, Quarry Dust & Water | Top Soil & Energy | Cement, Flyash, Lime & Water |
| Dry Density kg/m3 | 900 | 600 | 1845 | 1730 | 1500 |
| Compressive Strength in kg/cm3 | 25-30 | 40 | 35 | 35 | 35 |
| Water Absorption % by weight | 12.5 % of Volume | 45 % of Volume | 5% of Volume | 20% of Volume | 15% of Volume |
| Thermal Conductivity (W/m.k.) | 0.20 for 900 kg/m3 | 0.132-0.151 for 600 kg/m3 | 0.184 | 0.184 | 0.184 |
| Sound Insulation | Superior than burnt clay & hollow concrete | Superior than burnt clay & hollow concrete | Normal | Normal | Normal |
| Ease of Working | Can be cut, nailed & drilled | Can be cut, nailed & drilled | Very Hard | Normal | Normal |
| Range of applications / utility | Non-load bearing blocks | Partition | Load-bearing & non-load bearing | Load-bearing & non-load bearing | Load-bearing & non-load bearing |
| Drying Shrinkage mm/meter | 0.1 | Shrinkage after maturing0.011 for 600 kg/m3 | No shrinkage | No shrinkage | No shrinkage |
| Eco Friendliness | Pollution free, Least energy requriement, Can consume fly ash around 33% | Pollution free, High energy requirement, Open process uses fly ash | Pollution free, High energy requirement | Creates smoke, Uses high energy, Wastes agricultural land | Pollution free, Open process uses fly ash |
| Structural saving due to dead weight reduction | 50% reduction in weight of walls. Tremendous structural saving for high rise buildings in Earthquake / Poor soil area | 55% reduction in weight of walls. Tremendous structural saving for high rise buildings in Earthquake / Poor soil area | 50% Increase in Weight of walls. | Normal | Normal |