Isocheck Re-Mat 3 & Re-Mat 5 Systems : impact improvement systems for concrete floors

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product data sheet
installation instructions

0845 838 3399


•  New build
•  Conversions
•  Refurbishments
•  Robust Detail compliant

Isocheck Re-Mat systems are designed to reduce impact sound transmission through concrete floor decks and all types of floor finishes.

Isocheck Re-Mat systems are suitable for all types of floor finishes including ceramic tiles, stone, marble, vinyl, carpet
and solid or laminate wood. A heated floor system can also be installed beneath Re-Mat 3 or Re-Mat 5.

Isocheck Re-Mat 3 consists of a 3mm layer of matting and Isocheck Re-Mat 5 consists of a 4.5mm layer of matting - both constructed from waste rubber and cork mixed with a polymer binder to form a resilient mat.

When installed as part of a complete party floor construction either system enables a concrete floor to meet the sound transmission standards of Approved Document E 2003 and subsequent amendments in 2004, 2010 and 2013.


To be used bonded to concrete subfloors for conversions, refurbishments or new build.

Performance (on the constructions illustrated)

Laboratory performance achieved 17dB ΔLw for Re-Mat 3 and 18dB ΔLw for Re-Mat 5. Treated floor can meet with the Robust Detail options A & B within E-FC-8, when used in conjunction with isopoli 5mm underscreed layer (see right).

Product data

Roll size & thickness: Re-Mat 3 1m x 20m x 3.0mm
  Re-Mat 5 1m x 10m x 4.5mm
1m x 20m x 4.5mm
Colour:   Black or beige
Density:   >350kg/m3


The acoustic floor shall be:

Isocheck Re-Mat 3 or Isocheck Re-Mat 5 system, supplied by Isomass Ltd. Units 10 & 11, Avenue Business Park, Elsworth, Cambridgeshire CB23 4EY and installed in accordance with manufacturer’s instructions / recommendations.


Bond Isocheck Re-Mat 3 or Re-Mat 5 over the entire level screed with all joints butted.

Full installation instructions for Isocheck Re-Mat are available to download by clicking on the link to the left of this page. Installation instructions must be used in conjunction with this information and/our information contained in the datasheet when laying the Isocheck Re-Mat floating floor system.


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Soft Floor
  • Isocheck Re-Mat 3 or Re-Mat 5 bonded to structural sub-floor.
  • ≥300kg/m2 hollow core concrete planks with 80kg/m2 sand/cement screed or 40mm
    proprietary screed.
  • 75mm min. void formed by metal frame suspended ceiling system and ≥10kg/m2 gypsum board ceiling (left) or
  • 50 x 75mm timber battens with ≥10kg/m2 gypsum board ceiling 75mm below underside of sub-floor supported by resilient bars @ 400mm centres perpendicular to the battens (right).



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