Stopgap F78

Stopgap F78 – High Performance Waterproof Surface Membrane – Two Coat ( One Component ) Application System. STOPGAP F78 is a solvent free, ready to use system which dries rapidly to provide a waterproof surface membrane. STOPGAP F78 impedes the passage of residual construction moisture from affecting subsequent floorcovering installations, therefore allowing early installation of floorcoverings in fast track building programmes.


  • Impedes the passage of construction moisture up to 98% RH with a two coat application
  • Colour pigmented to aid coverage uniformity
  • In most circumstances no priming is required with underlayments
  • No mixing required
  • Can be resealed and stored for future use