Products/Rail/Deutsche Bahn

Certified for the German rail network

Deutsche Bahn built its Silence Innovations programme on our work. MetaWindow was certified for German rail and highway in 2024, after four years of joint development.

Rail, Germany

Deutsche Bahn

Five years of joint development. MetaWindow taken from concept to series production and certified for the German network; first installed on the Hamburg S-Bahn. Deutsche Bahn built its Silence Innovations programme on the work. MetaVibration tested in Elze, with 5 to 8 dB less vibration at every measured distance.

Freedom spent on transparency

A long run of MetaWindow barrier along a new road deck in Hamburg
Hamburg · MetaWindow along a new road deck

Featured · MetaWindow (MWN)

The transparent barrier, certified with Deutsche Bahn.

Developed with Deutsche Bahn from 2020 and taken from first concept to series production through DB's innovation programme. Absorption happens inside horizontal extruded profiles, so the panel stays see-through.

Sun through MetaWindow slats casting a lattice of shadow across the road deck
Transparency
up to 72%
Sound insulation
34 to 37 dB
Sound absorption
classified highly absorbing (αw 0.95)
Certification
German rail and highway networks; Deutsche Bahn high-speed lines
First installation
Hamburg S-Bahn, line S4

Figures as published by Deutsche Bahn and the International Railway Journal

“With the transparent noise barrier, municipalities no longer have to choose between appearance and functionality.”

Berthold Huber, Deutsche Bahn board member for infrastructure

Results

Concrete MetaVibration modules, their lattice cores showing, lined up beside an open trench, an excavator behind

Deutsche Bahn · Elze, Germany

5 to 8 dB

A proof of concept with Deutsche Bahn. Independent measurements by Heiland and Mistler, using drop-mass excitation, at 8, 16 and 32 m from the source. Result: a consistent 5 to 8 dB of vibration reduction at the targeted frequencies, at every distance.

What we supply

Noise barriers

MetaWindow, the transparent panel certified with Deutsche Bahn; absorbing panels for rail; mobile barriers for works on live lines.

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Working on a line?

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or write to metainfo@phononicvibes.com