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Regupol 4515 Eco Soundproofing Underlay 3mm x 1.15m x 20m - Roll

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£138.66 Incl. VAT
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Regupol 4515 Eco soundproof underlay is a general purpose acoustic underlayment manufactured from a combination of cork granules and rubber granulate. Designed to attenuate impact sound at source on all types of subfloor.

A tough resilient low-cost underlayment Regupol 4515 Eco soundproof underlay can insulate beneath all types of wooden based floor finishes such as laminate hardwood and engineered board.

For new builds refurbishments and bespoke architectural projects including residential commercial and education settings.

What are the benefits of the 4515 Eco Soundproofing Underlay?

  • It's been independently tested by a UKAS accredited laboratory to show compliance with the new building regulations in accordance with Approved Document E 2003.
    Offers long term performance without collapse or bottoming out under highpoint loads.
  • Resistant to ageing and deformation.
  • Quick and easy to install. Simply bond to the subfloor beneath the final floor finish.
  • Reduces construction heights.
  • High quality and exact material thickness guaranteed.
  • Suitable for use with under floor heating.
  • Very comfortable under foot.
  • Zero Global Warming Potential and Zero Ozone Depletion Potential.


Density: Approx. 470kg/m3
Tensile strength: Approx. 0.6M/mm2
Elongation at break: Approx. 18%
Temperature resistance: -40 to +110oC
Thermal conductivity: Approx. 0.085W/mk
Impact sound insulation: 17dB
Roll width: 1150mm
Roll length: 20m
Thickness: 3mm
Material construction: Rubber/cork


Length 20m Thickness 3mm Width 1150mm


Application Floors Material Recycled Rubber


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