| % cement | Mixture proportions for bricks |
| 4 | 94% clay + 4% cement + 2% waste wood |
| 92% clay + 4% cement + 4% waste wood | |
| 90% clay + 4% cement + 6% waste wood | |
| 88% clay + 4% cement + 8% waste wood | |
| 6 | 92% clay + 6% cement + 2% waste wood |
| 90% clay + 6% cement + 4% waste wood | |
| 88% clay + 6% cement + 6% waste wood | |
| 86% clay + 6% cement + 8% waste wood | |
| 8 | 90% clay + 8% cement + 2% waste wood |
| 88% clay + 8% cement + 4% waste wood | |
| 86% clay + 8% cement + 6% waste wood | |
| 84% clay + 8% cement + 8% waste wood |