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nVent LENTON Interlok HYA15CT Grout Additive, Cold Temperature

The nVent LENTON HYA15LM Grout Additive, Cold Temperature is designed to be used in conjunction with nVent LENTON Interlok grout-fill couplers and nVent LENTON Interlok HY15LM Grout. The additive is used to speed curing and prevent freezing of the grout, thus allowing construction to continue in cold weather. This proprietary grout additive is designed to be used at temperatures between 20 °F and 50 °F (-7 °C and 10 °C).


  • Allows for cold temperature grouting
  • Extends the construction season
  • For use in pump or gravity fill applications


Part Number Compressive Strength Working Temperature Unit Weight
HYA15CT 3,500 psi @ 1 d, 16,000 psi @ 28 d 20 – 50 °F 1.5 lb
For use with HY15LM grout only.
Cold weather concreting procedures, such as ACI 306 Cold Weather Concreting, must be followed.
Prior to installation, please read and understand the detailed instructions and safety notices provided in the nVent LENTON Interlok Instruction Manual.

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