Fraunhofer Institute for Building Physics
Sound insulation in a door test laboratory
Acoustics
| Measurement | Sound insulation |
| Standard | DIN EN ISO 10140 |
| Measurement object | Doors, door leaves, framed doors, ventilation elements, panels, joint sealings, elements |
Technical data
| Floor area (2 rooms) | 20 m² and 17.7 m² |
| Room volume (2 rooms) | 67 m³ and 61 m³ |
| Entrance doors (H × W) | 1.99 × 0.84 m and 2.05 × 1.89 m |
| Size of test samples (H × W) | 1.985 × 0.985 m (butt joint) |
Special feature
| Max. sound reduction (related to the size of test sample) | R'max,w = 70 dB |
More information
- Elements with smaller size will be framed by a multi-layer panel construction with high sound insulation.
- Larger elements can be tested in other facilities (see pages 11, 14, 16)