REGUPOL sonus curve 25

For Floating Floor Constructions

REGUPOL sonus curve 25

For Floating Floor Constructions

The 25 mm REGUPOL sonus curve 25 (formerly SonusWave SW825) is our thickest version yet. Install multiple layers for the toughest acoustical requirements.

Our 25mm (1") REGUPOL sonus curve 25 underlayment is engineered, manufactured, and tested to reduce the transmission of impact sound generated by footfall noise. Durable, versatile and cost-effective are the main characteristics to describe our thickest dimpled flooring underlayment. Install multiple layers of REGUPOL sonus curve 25 for the toughest acoustical requirements. It is perfectly suited for commercial and residential buildings underneath hardwood, concrete, screed, and floating floor systems. 

REGUPOL sonus curve 25


  • Sustainable building product made from post-consumer and post-industrial waste
  • Applicable for a wide range of floor coverings
  • GreenCircle certified and can potentially qualify for up to 8 LEED credits
  • Greatly reduces sound transmission of impact noise
  • Multiple sizes available including 6mm, 8mm, 10mm, 17mm, and 25mm thicknesses

Technical Specifications


PUR bonded post-consumer SBR tire rubber featuring a dimpled profile underside


Roll size: 4' x 25'- 100 sqft/roll
Thickness: 25mm (1")


300 lb-3 lb/sqft

Density (ASTM D-792)

37 lb/cuft (+/- 4 lb)


A Shore Durometer 25 – 35

Test reports

REGUPOL - the expert by your side

In REGUPOL, you have an expert partner with many years’ experience in impact and airborne sound insulation, that guarantees a premium level of building acoustics, especially when multiple uses are combined within a single building.

With the REGUPOL sonus curve range, effective soundproofing solutions can be implemented in urban densification concepts whether it is the construction of new buildings or the renovation of residential and commercial properties.

Ask the experts

You have questions about our REGUPOL vibration isolation or impact sound insulation products? Please don't hesitate to contact us. Our experts are…

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