| Property | Units | AAC Block | Clay Brick |
|---|---|---|---|
| Size | mm | 600 × 200 × (75 to 300) | 230 × 75 × 115 |
| Size Tolerance | mm | ± 1.5 | ± 05 to 15 |
| Compressive Strength | N/mm² | 3 – 4.5 (IS 2185 Part 3) | 2.5 to 3.5 |
| Normal Dry Density | Kg/m³ | 550 – 650 | 1800 |
| Sound Reduction Index | dB | 45 for 200 mm Thick Wall | 50 for 230 mm Thick Wall |
| Fire Resistance | Hrs. | 2 to 6 (Depending on Thickness) | 2 |
| Thermal Conductivity “K” | W/m-k | 0.16 – 0.18 | 0.81 |
| Drying Shrinkage | % | 0.04% (Size of block) | — |