Fraunhofer Institute for Building Physics IBP
Sound insulation in a window test laboratory
Acoustics
| Measurement | Sound insulation |
| Standard | DIN EN ISO 10140 |
| Measurement object | Windows, glazings, shutters, ventilation elements, panels, joint sealings, small-sized elements |
Technical data
| Floor area (2 rooms) | 22 m² and 18 m² |
| Room volume (2 rooms) | 67 m³ and 57 m³ |
| Entrance doors (H × W) | 2.0 × 0.85 m and 2.04 × 1.90 m |
| Size of test samples (H × W) | 1.48 m x 1,23 m (Mounting in clear opening) 1.54 m x 1,35 m (Mounting against stop bar) |
Special feature
| Max. sound reduction (related to the size of test sample) | R'max,w = 72 dB |
More information
- Installation of elements in the test opening by using butt joint or stop bar.
- Elements with smaller size will be framed by a multi-layer panel construction with high sound insulation.
- Heavy elements can be sited by a crane.