The NAVALIBER 3NB-15 door is specially designed for high noise reduction (40 dB with louver and 43 dB without louver). At the same time is B-15 fire retarding classified.
The 3NB-15 door offers the following variations and optional
features:
- Ventilation louver
- Kick-out panel
- Door closer
Dimensions, accessories and finishing according to project.
| Technical Features | 3NB-15 |
|---|---|
| Door frame | 1,2 mm |
| Door leaf frame | 1,5-3 mm |
| Linings | 1,2 mm |
| Finishing | 150 μm PVC film |
| Insulation | rock wool |
| Density | 70-180 kg/m³ |
| Max. vertical clear opening | 2050 mm |
| Max. horizontal clear opening | 900 mm |
| OTHER FEATURES | 3NB-15 (with louver) | 3NB-15 (without louver) |
|---|---|---|
| Thickness | 50 mm | 50 mm |
| Noise reduction | 40 dB (*) | 43 dB (*) |
| Weight | 38 kg/m² | 40 kg/m² |
| Classification | B-15 | B-15 |