Test bench for windows/doors
Müller-BBM maintains a test bench for windows and doors for the following measured values, among others:
- Sound insulation measure R
- Normalised sound level difference Dn, e
Examples of products (selection):
- Window elements
- Door elements
- Glazing
- Facade panels
- Structural elements for vehicle construction
- Sections of structural elements for product development
Test benches for windows and doors are composed of two adjoining rooms with a common inspection window of standard size in a highly sound absorbent partition wall. The rooms of the doors/windows test bench are reverberation rooms with specifications for test opening, geometry, diffusivity, and reverberation time according to ISO 101405. Müller-BBM has a standardised test bench for windows with a test opening of approx. 1.9 m² (1.25 m x 1.50 m) and one for doors with a test opening of approx. 3.1 m² (1.25 m x 2.50 m).