Fraunhofer Institute for Building Physics
Sound insulation in a wall test laboratory
Acoustics
| Measurement | Sound insulation |
| Standard | DIN EN ISO 10140 |
| Measurement object | Separating walls with high sound insulation, massive and lightweight wall constructions, walls with additional linings, cinema walls, façades, roofs |
Technical data
| Floor area (2 rooms) | 21 m² and 24 m² |
| Room volume (2 rooms) | 66 m³ and 76 m³ |
| Entrance doors (H × W) | 1.990 × 0.835 m and 2.02 × 1.95 m |
| Size of test samples (H × W) | 3.11 × 4.25 m and 2.95 × 4.25 m |
Special feature
| Max. sound reduction (related to the size of test sample) | R'max,w = 89 dB |
More information
- Wall constructions with high sound insulation at low frequencies, for example separating walls in cinemas, can be tested in this wall test laboratory.
- Height of the walls up to the upper floor or to the lintel below the upper floor.