About us

CAS-SA produces a wide range of crushed aggregates for the construction industry. Based in the heart of Sekhukhuni District we supply quality aggregates and Sand that suits a variety of construction applications for parts of Limpopo and Mpumalanga.


Information and technical detail regarding the ascendancy of various characteristics and properties is required when selecting the correct aggregate product for your application. Geological rock types found in the area might differ which means that the aggregate material from our stockpiles has different properties.

These include:

  • Apparent relative density
  • Water absorption
  • Aggregate Crushing value (ACV) and 10% Fine Aggregate Crushing Test (FACT)
  • Polished Stone Value (PSV) and Los Angeles Abrasion
  • Quality
  • Physical properties
  • Grading limits
  • Fine content
  • Dust content
  • Flakiness index
  • Geological properties
  • Skid resistance
  • Cost
  • Climate


Our competent CAS-SA team will ensure the correct selection of aggregate in your region.