Please note that these systems are designed to adhere to standard part E of the building regulations. Although they will meet the vast majority of installations there may be certain situations where certain more stringent precompletion testing is required and the system may need certain modification for compliance.
Separating Timber Floors / Timber Joist Floor / 54 RwdB + Ctr - 56 LnwdB
Airborne: 63 RwdB 54 RwdB+Ctr Impact: 56 LnwdB
graph data airborn frequency 50 63 80 100 125 150 200 250 315 400 500 630 800 1000 1250 1500 2000 2500 3150 4000 5000 reduction 32.8 36.3 35.9 38.7 41.4 43.0 46.4 51.8 58.0 61.3 63.5 64.9 68.4 70.2 71.7 70.3 69.6 71.6 75.7 78.4 81.4 graph data impact frequency 50 63 80 100 125 150 200 250 315 400 500 630 800 1000 1250 1500 2000 2500 3150 4000 5000 reduction 68.8 59.1 62.7 63.6 65.8 65.0 64.4 60.7 56.8 52.7 50.9 50.1 47.4 44.5 41.7 38.1 33.2 27.9 19.9 12.4 6.5