Isocheck Re-Mat 3 and Re-Mat 5

Impact Improvement System: for all types of floor covering on concrete floors
The Isocheck Re-Mat impact improvement system is designed to reduce impact sound transmission through concrete floor decks and can receive all types of floor finishes including ceramic tiles, stone, marble, vinyl, carpet and solid or laminate wood.


Isocheck Re-Mat 3 consists of a 3.5mm and Re-Mat 5 a 4.5mm layer of matting constructed from waste rubber and cork mixed with a polymer binder to form a resilient mat. Also available is Re-Mat 3T and Re-Mat 5T – a 3mm or 5mm layer suitable for a tile finish.


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, 2013 and 2015.

View more technical information and downloads

To be used bonded to concrete subfloors for conversions, refurbishments or new build with or without water based underfloor heating systems.


(on the constructions illustrated)

Laboratory performance achieved 17dB ΔLw for Re-Mat 3 and 18dB ΔLw for Re-Mat 5. Re-Mat 3T can achieve 18dB ΔLw and Re-Mat 5T can achieve 21dB ΔLw when used beneath a laminate floor.


Treated floor can meet with the Robust Detail options A & B within E-FC-8, when used in conjunction with isopoli 5mm underscreed layer.

Roll size & thickness: Re-Mat 3
Re-Mat 5
Re-Mat 3T
Re-Mat 5T
1m x 15m x 3.5mm
1m x 15m x 4.5mm
1m x 20m x 3.0mm
1m x 20m x 5.0mm
Colour: Black or beige
Density: 15m2 rolls
20m2 rolls

Isocheck Re-Mat 3, Re-Mat 3T, Re-Mat or Re-Mat 5T system, supplied by Isomass Ltd. Units 10 & 11, Avenue Business Park, Elsworth, Cambridgeshire CB23 4EY and installed in accordance with manufacturer’s instructions / recommendations.

Full installation instructions for Isocheck Re-Mat 3 and Re-Mat 5 is available as a pdf to download. Go to the Downloads tab on this page.

  • Isocheck Re-Mat 3 or Re-Mat 5 bonded to structural sub-floor.
  • ≥300kg/m2 hollow core concrete planks with 80kg/msand/cement screed or 40mm proprietary screed.
  • 75mm min. void formed by metal frame suspended ceiling system and ≥10kg/m2 gypsum board ceiling  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.


Re-Mat system is one of a number of acoustic floor solutions that could complement the requirement for underfloor heating.

Isocheck Re-Mat 3 and 5 system application
Robust Detail option
re-mat system

Isocheck Re-Mat 3 and Re-Mat 5 installation instructions

Isocheck Re-Mat 3 and Re-Mat 5 product data sheet

Isocheck Re-Mat Isolation Strip product data sheet

Get in touch

Call us on 0845 838 33 99 or get in touch for more information