Sustainable Aggregate Solutions

Using the most advanced processing methods, Rock Solid have been producing IBA aggregate for over 15 years and have a number of well located aggregate operations across the UK ready to service your civil engineering or groundworks projects.

IBA Aggregate (IBAA) consists of stone, concrete, brick, ceramics, glass and recyclable metals and is tested in accordance to the Specification for Highway Works.

IBA Aggregates available

  • Type 1 Aggregate Blends
  • 6F5 Aggregate Blends
  • SHW Cl 1A & 6N Bulk Fills
  • 0/40mm Crusher Run subbase/capping
  • Various Single Size Pipe Bedding
  • 0/2mm & 0/4mm Sands

Benefits of IBA Aggregate

  • A Cost-effective and Sustainable building material
  • Readily available and consistent in supply
  • Highly effective as a subbase or bulk fill in your civil engineering or groundworks project, or as a single size pipe bedding alternative 
  • Excellent physical properties; Non-frost susceptible, low bulk density and great compaction results 
  • For use in both unbound and bound applications, for example interlocking lego blocks 
  • End of Waste status achieved via The Scottish Environment Protection Agency (SEPA), which allows IBAA to replace virgin aggregate within the production of industrial concrete products or grouting applications. 
  • Reduces waste to landfill and protects our natural resources

Typical IBA Aggregate applications

Typical IBA Aggregate applications



Please get in contact should you have any aggregate requirements.

Energy from Waste (EfW)

IBA Processing

To help reduce our combined carbon footprint and to prevent waste going to landfill, non-reusable domestic waste and mixed commercial waste is now Incinerated within Energy from Waste plants (EfW) in many areas of The UK and Europe.

More about IBA processing