TERRAFORCE L15 - Specifications and Dimensions
| Block type | L15 |
| Blocks/m2 (measured vertically) | 15 |
| Depth (B mm) | 295 |
| Length (A mm) | 335 |
| Height (mm) | 200 |
| Wall thickness (mm) | 35/45 |
| Average mass of block (kg) | 22 |
| Infill volume (m³) | 0 .008 |
| Average mass constructed kg/m² of wall | 520 |
| Minimum crushing strength of block under in-situ loading/MPa | 8 |
| Minimum frictional resistance between blocks without keys:Cf | 0.54 |
| 21 day cube strength of concrete (uncured) = 25 MPa min |