GR Laboratory Services

At GR, we take a no-nonsense approach to quality. This has led us to establish a construction materials laboratory to provide quality control testing services such as;

  • Concrete Compression Testing

  • Compaction testing for road base materials

  • Rebound hammer testing on concrete

  • Dynamic Cone Penetration Testing

  • Geotechnical soil Investigation

  • Proctor Testing

  • Particle size distribution testing

  • and more


We have calibrated equipment and trained technicians to provide for your construction materials testing needs.


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