Mechanical Properties
| Specifications | Unfilled | Filled with concrete |
|---|---|---|
| Weight (123mm Rapidwall) | 44 kg/m² | 250 kg/m² |
| Sound rating (Rw) | 48 dB | 54 dB |
| Fire Rating | 1 hour | 4 hours* |
| Ultimate Design Bending Capacity | Ø x 2.5 kNm/metre width | Ø x 22.7 kNm/metre width |
| Load Bearing Capacity | 100kN/m - 2 Stories residential | 870kN/M filled with 20Mpa concrete - 8 stories (Typically) |
| Void volume / M2 | 86 litres / m² | N.A. |
| Horizontal shear strength | 50kN/m | T.B.A. |
| Axial Load capacity / compressive strength | 160kN/m | T.B.A. |
| Water Absorbtion | Less than 5% after 24 hours immersion | N.A. |