Regupol® 3912

A resilient, PUR foam underlay, for acoustic insulation of timber floors in new build and refurbishment projects.

Regupol® 3912 can be used as a continuous layer, or as a strip beneath battens. Being only 6 mm thick it limits loss of room height in refurbishment projects.

General information

Uniclass 2015

Pr_25_57_06_71 Resilient layer insulationPrimary


K11/215 Plywood floating floor

K11/225 Particleboard floating floor

K11/235 Oriented strand board floating floor

K11/245 Cement bonded particleboard floating floor

K11/25 Particleboard floating floor

Specification data - Resilient layer insulation

Product Reference

Regupol® 3912



Regupol® Flanking Strip

Standard product features


  • Thickness: 6 mm.
  • Roll width: 1000 mm
  • Roll length: 15 m.


370 kg/m³.


  • Tensile strength (DIN 53571): 0.4 N/mm².
  • Elongation at break (DIN 53571): 45%.
  • Temperature resistance: -40–110ºC.
  • Thermal conductivity: 0.12 W/mK.
  • Impact sound insulation, ΔLw (BS EN ISO 140-8:1998): 23 dB.

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