2 mm

Height x Width

8 m2


875 kg/m3




Permanently elastic, heavy underlay with patented RWS Barrier® base material, specially developed for heated floors.

RWS Barrier® base material defines a new standard for the highest walkingnoise improvement value. All tests were conducted by the EPH GmbH. In addition to laboratory tests, end-user experience was confirmed in real life conditions as RWS performance compared to other premium range underlays on the market.


  • Designed for highest floor heating efficiency according to EPLF.
  • Unrivaled walking sound improvement (RWS) thanks to RWS Barrier®.
  • For highest demands on pressure stability under heavy loaded floors.
  • Integrated, metalised vapor barrier.
  • 100 % recyclable, FCKW and HFCKW free.
  • Ecologically friendly

General information

All data are based on our experience and careful investigations. The diversity of the materials used, as well as the different construction site and processing conditions, can not be examined or influenced by us in detail. The quality and function therefore depends on the expert site evaluation and product use. In case of doubt, carry out your own tests or seek advice on our application technology. When processing, please observe the rules of technology as well as the manufacturing specifications of the building materials involved and constantly changing state of technology.


Approx. 1 year, in the temperature form 0 to 25°C , protecting from direct sunlight or other weather influences.


Unroll underlay on the floor, PE or aluminized side facing up, with individual panels adjacent to one another and seal the joints with aluminum sealing tape.

Category products EXTREME Line

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Karolina Kobylińska-Noak | Sales Coordinator +48 519 141 890
Karolina Kobylińska-Noak | Sales Coordinator +48 519 141 890