RIW Cementfill FC is a thixotropic, polymer modified, cementitious, waterproof, engineering-quality fairing coat. Cementfill FC is used to fill minor blow holes and defects and for repairing surface cavities or honeycombed concrete/open textured masonry prior to application of other RIW membranes.


  • Totally waterproof
  • Resists up to 100m head of positive and negative water pressure
  • Applied to damp surfaces
  • Suitable for horizontal, vertical and overhead applications
  • Can be feather edged
  • Environmentally friendly
  • Enhanced chemical resistance