Excl. Tax £49.00
Incl. Tax £58.80

Top Face Surface Retarder

In stock
Top Face Surface Retarder is an aqueous liquid suitable for either sprayer watering can application.It retards the set of the surface cement matrix of freshly cast concrete for easy removal.


  • Stain Free suitable for white and standard OPC
  • Enivronmentally and user Friendly
  • Alleviates need for labour intensive hacking
  • Contact with reinforcement will not prevent bond to concrete
  • Used to create exposed aggregate finish for decorative or 'keying in' work


  • Top Face surface retarder should be applied either by spray or watering can to freshly placed horizontally cast concrete at a rate of 5 sq.mts per litre immediately after placing and compacting and removal of any excess surface water.
  • After treatment protect from exposure to wind or early appliedheat as this may evaporate the retarder carrier before it haspenetrated the concrete surface.
  • Do not use on concrete containing accelerators.
  • Any absorbent covering to the concrete should not comeinto contact with treated face.
  • Retardation time is dependent on many factors so check for optimum time for removal of cement matrix.
  • Remove retarded matrix by low pressure waterjetting, brooming or wire brushing in two directions at right angles to each other.
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