MasterRoc MG 44 LS - Low-density foaming grout

How does MasterRoc MG 44 LS work?

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

MasterRoc MG 44LS is suitable for use whenever controlled, low 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 LS?

MasterRoc MG 44LS 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 LS?

  • 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 LS: Technical Data Sheet

pdf (106.36 Kb)