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Mortar & Plaster


Rapid Hardener & Frostproofer

Rapid Hardener & Frostproofer is a set and hardening accelerator for concrete and mortar.

It is a highly concentrated calcium chloride based liquid admixture formulated to accelerate the setting time of cement based mixes in cold weather and increase the rate of hardening of concrete and other cement mixes.

  • Accelerates setting times
  • Increases early strengths
  • Ideal in cold weather conditions
  • Helps prevent frost damage in newly placed materials
  • Chloride-based
  • Meets BS EN 934-2 Table 6

Dosage: 0.25 – 2.5L per 25kg cement (1-10%)

Packaging: 5L, 25L, 200L or Bulk