Coronavirus Update from Instarmac

Members of our Customer Sales and Support Teams are working remotely and in place to support your business requirements.

Manufacturing operations and logistics are running to support key essential customers with additional safeguarding measures in place.

If you need further information please contact us on +44 (0) 1827 254 400 or email

We are closely following the latest government guidance and will continue to monitor the situation.  Please check our website or social media channels for further updates.

HF: High Flow Precision Grout

HF is ideal as a bridge bearing grout as well as for the securing of stanchion base plates, machine beds and parapet legs. HF can be pumped or poured for easy application and complies with the specification for Highway Works Clause 2601.

  • Workability: 60 minutes
  • Set time: 8 hours
  • Open to traffic: 24 hours
  • Depth: 10mm – 100mm
  • Non-shrink
  • Will not corrode or stain
  • 70N/mm² compressive strength at 28 days
  • Approved for use on the London Underground and Overground
  • Size: 25kg bag

For more details on this product call us on +44(0) 1827 254 400

Submit an enquiry

Request a brochure

Launch Live Chat
to speak with one of our experts.

How much will you need?

metres sq.
25kg Bag