Envirobed HA104®, (part of UltraCrete’s HAPAS Approved Ironwork Reinstatement System), is specifically formulated for the bedding of ductile ironwork conforming to the Highways Agency Design Manual for Roads and Bridges: Mortars for Bedding Ironwork, HA104/09, part 5, clause 6.1 and is particularly suitable for use in wet weather conditions. With superior compressive, tensile and flexural strengths reached after just 3 hours, Envirobed HA104® provides all the performance but none of the environmental hazards of traditional resinous materials, such as hazardous waste disposal.


  • HAPAS Approved since 2005
  • Conforms to HA104/09
  • Can be used in the wet
  • BT Approved
  • 53N/mm2 compressive strength at 3 hours
  • .10N/mm2 tensile strength at 3 hours