A full range of products are available from low grade, subgrade, improvement//fill material to local authority and high quality transit New Zealand specified subbase/basecourse materials. Other products can be manufactured to meet certain specifications upon request.
A range of Basecourses are available from Transit New Zealand TNZ40/local authority specifications to non-specification construction materials. Smythes has a proven performance record in roading including several major State Highway projects.
We have a large range of lower grade non specified base courses available for subgrade improvement and general fill. Unscreened granular fill material are also available.