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: High Performance Mortar

The environmentally friendly alternative to resin-based materials, specifically formulated for the bedding of all access covers. Envirobed® HA104 has been HAPAS Approved since 2005 and conforms to HA104/09. Its superior compressive, tensile and flexural strengths make it ideal for use in heavily trafficked / wheel track locations. It can be open to traffic after just 1 hour.

  • Workability: 15 minutes
  • Set Time: 30 minutes
  • Depth: 10mm -50mm
  • 53N/mm² compressive strength in 3 hours
  • 12N/mm² flexural strength in 3 hours
  • 6.10N/mm² tensile strength in 3 hours
  • No hazardous waste disposal
  • Can be used in wet conditions and in temperatures as low as 1°C
  • Approved for use on the London Underground and Overground
  • Size: 18kg bag with 2.5l plastic bottle and 18kg bucket includes 2 x 8kg bags and 2 x 1l bottles
  • NBS Plus registered for ease of specification
Envirobed HA104

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

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