Regupol® E48

A rubber-based resilient layer manufactured from recycled tyre crumb, designed to isolate screeds from floor slabs in order to reduce airborne and impact sound transmission. It can be used under all types of screed and is suitable for apartments, schools, hospitals, hotels, libraries and supermarkets.

Approved for use in Robust Detail E-FC-6.

Regupol® E48 is quick to install and does not require separate perimeter strips.

General information

Uniclass 2015

Pr_25_57_06_71 Resilient layer insulationPrimary


M10/295 Floating construction (thin sheet impact sound insulation)

M10/40 Floating construction

Specification data - Resilient layer insulation

Product Reference

Regupol® E48

Standard product features


  • Thickness (nominal): 8 mm.
  • Roll width: 1150 mm.
  • Roll length: 13 m.


  • Mean dynamic stiffness (DIN EN 29052-1): 47 MN/m³.
  • Thermal conductivity: 0.14 W/mK.
  • Load bearing capacity (maximum): 30 kN/m².
  • Fire classification (DIN 4102): B2.

Acoustic performance:

  • Airborne sound insulation (DnT,w + Ctr): 50 dB.
  • Impact sound transmission (L'nTw): 49 dB.


Sealed with Regupol® tape.

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