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Without any side effects

Benefits at a Glance

  • Protection of the sensitive sealing layer against ballast damage
  • Reduction of solid-borne noise
  • Reduction of secondary air-borne noise
  • Protection of building structures due to reduction in vibrations
  • Track remains longer in its position


STRAILastic_USM – the sub-base layer without any side effects.

STRAILastic_USM is a separation mat positioned under rail facilities. It reduces structure-borne noise and acoustic emissions and thus also secondary air-borne acoustic. The service life of the ballast is lengthened by the lower and
more uniform loading. A special mix of rubber granulate, foam rubber and recycled polyurethane foam bound with PUR elastomer provides the desired properties and saves resources.

STRAILastic_USM for classic ballast/sleeper track
Embedding in STRAILastic_USM reduces the peak pressures in the track ballast;
the track remains positionally stable for longer and the structure-borne noise is reduced.


STRAILastic_USM for embedded grooved rail track
Embedding the entire track bed in STRAILastic_USM creates a lightweight mass-and-spring system which, if correctly dimensioned, can provide effective damping of structure-borne noise .
Particularly suitable under complicated track geometries.


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