Post Fix: Rapid Hardening Concrete

Post Fix is a 10mm concrete formulated for sub-surface use and fast installation of posts, signs, fences, street lighting, speed cameras and road side barriers. This professional grade concrete is fast setting and has an impressive compressive strength of 41N/mm².

  • Workability: 5 – 10 minutes
  • Set time: 15 minutes
  • Two-part mix
  • Easy mix
  • Size: 25kg plastic bag
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Daniel Farrington

Instarmac are a great company to deal with; from their customer service who are very knowledgeable and helpful to the transport/drivers who always try and make deliveries as requested especially in these difficult times.

Sales Manager, Kier Highways Solutions

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