UZIN RR 189 PLUS FR Flame-Retardant Insulating Underlay

Flame-retardant, bondable, resilient insulating underlays under textile and resilient floor coverings

  • Fire classification according to DIN EN 13501: Bfl-s1
  • For renovation of old buildings and ind new-build, for optimum underfoot and ambient comfort


Main area of application:

  • Under wood flooring with tongue and groove on UZIN RR 189 PLUS FR / 3 mm
  • Under textile floor coverings, textile impact-absorbing wall coverings
  • Impact sound and heat insulating

Extended area of application:

  • Under PVC-/cushioned vinyl floor coverings with EN 685 33-43 (K5)
  • Stress-relief

Suitable for use on:

  • load-bearing, level, absorbent and non-absorbent substrates
  • with UZIN levelling compounds levelled substrates
  • for residential areas and industrial areas


  • Easy to cut and install
  • Lies flat
  • Distinctive surface quality
  • Flame-retardant
  • Impact sound and thermal insulating
  • Improves underfoot and ambient comfort
  • For interior use


    Technical data

    * According to DIN EN 13 501 -1. ** According to DIN 52 210, without floor covering. *** According to 52 612, without floor covering.



    1 m


    grey-brown mottled

    Fire resistance*



    approx. 3.60 kg/m³

    Material thickness

    [mm] 3; 4;

    Roll length

    [m] 40; 30

    Area weight

    [kg/m²] 1,08; 1,44

    Acoustic insulation improvement**

    [dB] 18; 19

    Thermal resistance***

    [m²K/W] 0,05; 0,06

    Ordering information


    Quality seals and badges


    “Amber from Gdansk” – PGE Arena.

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