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Isocheck Re-Cork 3

Impact improvement system for concrete floors with carpet finish

The Isocheck Re-Cork 3 system is designed to reduce impact sound transmission through concrete floor decks with a carpet flooring finish.

Re-Cork 3 is a 3mm underlay - a 100% natural and sustainable product which is highly durable and has long-term resilience.

As well as offering impact noise insulation, Re-Cork 3 underlay increases carpet durability and enhances walking comfort. Re-Cork 3 includes all the characteristics of natural cork - it does not compact, it retains its insulating characteristics, does not absorb water, does not rot and resists condensation and mould.

  • 100% Natural: Sustainable cork material
  • Thickness: 3mm profile for minimal height build-up
  • Performance: 24dB ΔLw impact sound reduction
  • Durability: Does not compact or lose insulating properties over time
  • Moisture Resistant: Does not absorb water, resists condensation and mould
  • Underfloor Heating: Compatible with heated floor systems
  • Enhanced Comfort: Increases carpet durability and walking comfort

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Suitable for new build, conversion and refurbishment projects requiring impact sound improvement under carpet flooring.

A heated floor system can also be installed beneath Re-Cork 3.

The natural properties of cork make it ideal for residential and commercial applications where sustainability and long-term performance are priorities.

Laboratory performance achieved 24dB ΔLw for Re-Cork 3.

This significant impact sound reduction ensures compliance with Building Regulations while maintaining a minimal 3mm profile.

Roll size: 1m x 10m x 3mm
Thickness: 3mm
Colour: Beige
Density: 170kg/m³ (± 10kg/m³)
Material: 100% natural cork

The acoustic floor shall be Isocheck Re-Cork 3, supplied by Isomass Ltd. Unit 14 Papworth Business Park, Stirling Way, Papworth Everard, Cambridgeshire CB23 3GY and installed in accordance with manufacturer's instructions / recommendations.

  • Bond Isocheck Re-Cork 3 over the entire level screed with all joints butted
  • The Re-Cork system is one of a number of acoustic floor solutions that could complement the requirement for underfloor heating

Full installation instructions are available and must be used in conjunction when laying this floor system.

  • Isocheck Re-Cork 3 bonded to structural sub-floor
  • ≥300kg/m² hollow core concrete planks with 80kg/m² sand/cement screed or 40mm proprietary screed or
  • ≥300kg/m² minimum structural beam and block floor with optional levelling screed
  • 75mm void formed by metal frame suspended ceiling system and ≥10kg/m² gypsum board ceiling or
  • 50 x 75mm timber battens
  • ≥10kg/m² gypsum board ceiling 75mm below underside of sub-floor supported by resilient bars at 400mm centres perpendicular to the battens

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