NOFISOL® 21
NOFISOL® 21 is a Sound Barrier specifically developed to seal the gaps above lightweight partition walls and below raised floors. The use of Nofisol 21 Sound Barriers boards improves the longitudinal noise insulation of a building
Dimensions
NOFISOL® 21 Barrier
| Length | 1200 mm |
| Height | Variable between 80-2000 mm* |
| Thickness | 60 mm |
Sound insulation
| 125Hz | 250Hz | 500Hz | 1kHz | 2kHz | 4kHz | |
|---|---|---|---|---|---|---|
| Oct 1/3 | 10.8 9.6 11.1 | 11.8 11.6 13.5 | 19.6 14.8 14.6 | 20.2 22.5 24.8 | 26.8 28.6 30.5 | 32.9 25.8 38.9 |
| Oct 1/1 | 10.5 | 12.2 | 15.8 | 22.1 | 28.4 | 35.2 |
Sound Insulation
Rw(C;Ctr) = 21 (-2,-3) dB ISO 717-1:1996
Sustainability
Fire Resistance
| Integrity (E) | E 30 |
| Heat Radiation (EW) | EW 30 |
| Thermal insulation (EI) | NPD |
Smoke & Fire behaviour
| Smoke Resistance | 88 min based on NEN 6075:2011 |
| Smoke Permeability | Sa / S200 based on NEN 6075:2020 |
| Euro Fire Class | |
| NOFISOL® 21 Barrier | A2-s1,d0* |
* According to statement from the stone wool manufacturer