Rock-Hard Repair Filler

Ultimate high performance powdered repair and finishing filler that can be used anywhere.

General Details

Our versatile rock hard repair filler offers exceptional adhesion to any kind of substrate. And because of this you can confidently use this super fine filler for a wide range of interior or exterior repair, filling, and finishing jobs.

It’s suitable for, but not limited to repairing pointing, stonework, cement and concrete. Shaped repairs to masonry, cornices, windowsills and damaged angles. Additionally, because it dries white, it can also be used as a high-quality finishing filler for creating beautifully smooth surfaces.

Created in Great Britain and manufactured in France.

Key Features
  • Extreme durability.
  • Apply to any substrate.
  • No stabilising solution or PVA required.
  • Excellent adhesion qualities.
  • Fill to any depth.
  • Easy to shape – repair without form-work.
  • Will not shrink.
  • Crack resistant.
  • Can be painted when dry.
  • Will accept plaster based or ready to use fillers.
  • Packs contain individual 1kg bags for small batch mixing.
Technical Info
Technical Characteristics
  • Grain Size: Extra Fine
  • Mixing: Approx 2 Litres of water for each 5 kg of powder
  • Application Depth: No depth limitation.
  • Consumption: Approx 1 kg per m² per 1mm depth
  • Adhesion: Complies with standard DTU 42.1
  • pH: 9 (once dry)
  • Setting Time: After 40 minutes
  • Drying Time: Approx 6 hours per 1cm depth
Product Code Size Colour Barcode
F18396 2.0 kg White 5060084183964



The ambient temperature during application and drying must be between +5ᴼC and +35ᴼC. Open working time as well as drying time can be affected by ambient temperature.