RIW Liquid GM Data Sheet

Liquid GM is a single component water based compound, formulated on styrene-butadiene co-polymer.

 

High Performance Gas Proofing

Liquid GM is an elastomeric rubber like coating, which cures to form a tough, flexible material; acting as an effective barrier to the passage of Methane, Carbon Dioxide, Radon and other harmful gases.
Liquid GM is a specially designed gas protection membrane, developed to provide high performance gas proofing and a barrier to water and water vapour.

Typical Uses of Liquid GM

  • Suppression of gases
  • Ground floors
  • Basements and sub-structures
  • Retaining walls

Features & Benefits of Liquid GM

  • Can be applied to damp surfaces
  • Seamless, flexible and fully bonded
  • Rapid drying; two coats in same day
  • Resilient to light foot traffic
  • Good chemical resistance
  • Easily repaired and overcoated
  • Can be plastered or screeded over

Liquid GM Downloads

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Last Updated: 2026-03-22

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