Bricks | Kambala wood chips content (%) | Attenuation of the noise level % | Attenuation of the speed of sound (%) |
B2 | 2 | 36 | 8 |
B3 | 4 | 40 | 17 |
B4 | 6 | 53 | 28 |
B5 | 8 | 61 | 41 |