Cement Treated Basecourse (CTB)
We manufacture a variety of modifed aggregates including cement or lime stabilised.
Aggregate
Roading
Sealing chips, basecourses, sub-basecourses and subgrade aggregates manufactured for use in roads and heavy duty pavements.
Sealing chip aggregates
Sealing and asphalt chips manufactured to specification and optimised for maximum grip and strength.
Non-specified subgrade improvement and hardfill
Our quarries produce a variety of aggregates for hardfill and subgrade improvement applications.
Specified basecourses and sub-basecourses
Stevenson offer a range of aggregates that meet national and local authority specifications for basecourses and sub-basecourses.