MasterRoc MG 44 HS - Low to medium density foaming grout

How does MasterRoc MG 44 HS work?

MasterRoc MG 44HS is a low to medium density cementitious foaming grout that yields large volumes of grout from small quantities of powder.
Once hardened, MasterRoc MG 44HS produces a solid, durable, low to medium density fill product suitable for many applications in mining and tunneling.

MasterRoc MG 44HS is suitable for use whenever controlled, low to medium strength and weight materials can be used; applications include:


  • Explosion seals
  • Ventilation stoppings
  • Backfilling
  • Temporary and low to mid strength support
  • Cavity filling
  • Rib Replacement
  • Bulk heads


  • Backfilling over pipes
  • Thermal and sound insulation
  • Structural fills
  • Pavement bases
  • Erosion control

What are the unique features of MasterRoc MG 44 HS?

MasterRoc MG 44HS has a fast setting time, reducing the requirement for  heavy formwork and allows large cavities to be filled in one lift.

What are the benefits of MasterRoc MG 44 HS?

  • Rapid strength gain for early bearing of load

  • Compresses significantly under load prior to failure

  • Excellent flowability ensure cavity is completely filled

  • Excellent long term stability

  • Ease of placement

  • Durability consistent with low water:powder ratio Portland cement mixes


MasterRoc MG 44 HS: Safety Data Sheet

pdf (112.42 Kb)

MasterRoc MG 44 HS: Technical Data Sheet

pdf (106.58 Kb)