Main content:
Noise control elements
Noise barriers for railway tracks
Noise screen element
Highly absorbing on one or both sides
Aluminium, polyester powder-coated
Airborne sound insulation
DLR = 30 – 35 dB (EN 16272)
DLR = 25 – 31 dB (EN 1793)
Sound absorption
DLα = 12 – 15 dB (EN 16272)
DLαNRD = 11 dB (EN 1793)
Optional earthing sheet to ground the noise screen elements against the track
Transparent railway element
Reflecting
aluminium, polyester powder-coated
transparent materials:
plexiglass Soundstop XT, GSCC;
laminated glass
glass thickness: 12–20 mm
Airborne sound insulation
DLR = 32 – 35 dB (EN 16272)
DLR = 26 – 33 dB (EN 1793)
(depending on the type of glass used)
Cladding Panels
Highly absorbing
aluminium, polyester-plastic powder-coated
Sound absorption
DLα = 12 dB (EN 16272)
DLαNRD = 11 dB (EN 1793)
Can be installed horizontally and vertically.
The highly absorbent wall panels cope with maximum load situations in tunnels. Optionally available with integrated earthing.
Sound resonator
Top panel with λ/4 resonator
Sound diffraction index difference DLRΔDI, SITU = 2 dB
Delta Top
Top panel
Highly absorbing on one or both sides
Aluminium, polyester powder-coated
Airborne sound insulation
DLR = 30 dB (EN 16272)
DLR = 25 – 26 dB (EN 1793)
Sound absorption
DLα = 12 – 15 dB (EN 16272)
DLαNRD = 11 dB (EN 1793)
Photovoltaic Element Silent Solar
highly absorbent
on one or both sides
aluminium, polyester-plastic powder-coated
Airborne sound insulation
DLR = 30 dB (EN 16272)
DLR = 25 – 26 dB (EN 1793)
Sound absorption
DLα = 12 – 15 dB (EN 16272)
DLαNRD = 8 – 11 dB (EN 1793)
Silent View
transparent AND absorbent
aluminium, polyester-plastic powder-coated
transparent materials:
plexiglass Soundstop XT, GSCC;
glass thickness: 15 mm
Airborne sound insulation
DLR = 31 dB (EN 16272)
DLR = 27 dB (EN 1793)
Sound absorption
DLα = 4 dB (EN 16272)
DLαNRD = 4 dB (EN 1793)
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