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.

Envirobed® HA104 Flowable

Specifically formulated for utility reinstatements. Envirobed® HA104 Flowable provides all the performance of Envirobed® HA104 but is significantly easier to apply. It conforms to HA104/09 and is also BT LN550 and LN320 compliant. It offers superior compressive, tensile and flexural strengths in 3 hours and can be opened to traffic in 1 hour.

  • Workability: 15 minutes
  • Set Time: 30 minutes
  • Depth: 10mm – 50mm
  • 44N/mm² compressive strength in 3 hours
  • Combines as a bedding mortar and backfill
  • 9.5N/mm² flexural strength in 3 hours
  • 5.5N/mm² tensile strength in 3 hours
  • No hazardous waste disposal
  • Can be used in wet conditions and in temperatures as low as 1°C
  • Aids lateral stability
  • Sizes: 18kg bag and 2.5l plastic bottle
  • NBS Plus registered for ease of specification
Envirobed HA104 Flowable

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

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