Masterflow 928 - Epoxy Grout

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Masterflow 928 grout is a high-precision, non-shrink natural aggregate grout with extended working time. It is ideally suited for grouting machines or plates requiring precision load-bearing support. This specially formulated precision grout can be placed at a variety of consistencies - from fluid to damp-pack - over a wide temperature range, 45 to 90°F (7 to 32°C). Masterflow 928 grout meets the requirements of ASTM C 1107 and the Army Corps of Engineers' CRD C 621, Grades B and C.


  • Meets the requirements of ASTM C 1107 and the Army Corps of Engineers' CRD C 621, Grades B and C, requirements at a fluid consistency over a temperature range of 45 to 90°F (7 to 32°C) over a 30 minute working time
  • Can be mixed at a wide range of consistencies to ensure proper placement under a variety of application conditions
  • Extended working time to ensure sufficient time for placement
  • Hardens free of bleeding, segregation, or settlement shrinkage
  • Contains high-quality, well-graded quartz aggregate for optimum strength and workability
  • Sulfate resistant
  • Freeze/thaw resistant

Where to Use Masterflow 928

Precision non-shrink grouting of:

  • Machinery and equipment, baseplates, and soleplates
  • Precast wall panels, beams and columns, curtain walls, concrete systems, and other structural and nonstructural building members
  • Grouting anchor bolts, reinforcing bars, and dowel rods
  • Repairing concrete, including grouting voids and rock pockets
  • Applications requiring high one-day and later-age compressive strengths
  • Applications requiring non-shrink grout to achieve maximum bearing for optimum load transfer
  • Applications requiring grout to be pumped
  • Marine applications
  • Freeze/thaw environments

See Full Specification Documentation

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