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HTR Grout

Five Star® HTR Grout is a unique cement based grout for supporting equipment and structural base plates in high temperature environments. Five Star® HTR Grout can be poured into place, gains strength rapidly and can be exposed to 1,000°F (538°C) in 24 hours and up to 2,400°F (1316°C) after a 7-day curing procedure. Five Star® HTR Grout exhibits positive expansion when tested in accordance with ASTM C827. Five Star® HTR Grout meets the performance requirements of ASTM C1107-02 Grades A, B and C, ASTM C1107/ C1107M-20, and CRD-C 621-93 specifications for non-shrink grout over a wide temperature range, 40°F – 90°F (4°C – 32°C).



  • Air release technology per ACI 351.1 R
  • Thermal shock resistant
  • High-temperature resistance
  • Air release technology per ACI 351.1 R


  • Areas of high-temperature exposure
  • Rapid turnaround during shutdowns
  • Thermal cycling up to 2400°F (1316°C)
  • Coker, kiln, and foundry applications
SKU/Product CodeDescription# Units/PalletUnit Size
28830Five Star® HTR Grout5650 lb. (22.7 kg) bag

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