Our Products

Road science is New Zealand’s leading designer and supplier of advanced bitumen and bitumen based products. Focused on research and development, Road Science products are designed using cutting edge testing equipment.

Road Science supplies standard cutback bitumen, however the company has a strong commitment to safety and supports the use of bitumen emulsions which:

Has Less

than hot or cut
back bitumen

Less energy in Plants 

Contribute to
Productivity and
Greater safety

Road Science products are manufactured and supplied from state of the art facilities throughout New Zealand. Customers can have confidence in continuity of supply and on-time deliveries with Road Science’s world-class manufacturing plants and storage facilities for bitumen emulsions and polymer modified binders from Mount Maunganui to Bluff. These are supplemented by additional storage facilities at Lyttelton and Taranaki, and further supported by New Zealand’s largest capacity on-road bitumen tanker fleet.

New Product Names

Road Science has released new customer friendly product names. If you would like to print a cheat sheet showing previous product names please click here.


Steve King

Steve King

Steve has a broad range of industry expertise and is very knowledgeable about Road Science products. He looks forward to you making contact with him so he can guide you through the various product and services available to you.

Position Support Technician

027 584 5454

Email steve.king@roadscience.co.nz

Dr Greg Arnold

Dr Greg Arnold

Greg has over 22 years’ experience in research, pavement design and project management. With a comprehensive understanding of aggregate testing and methodologies. Greg applies a ‘whole-of-life cost benefits’ approach to pavement design. He engages

Position Principal Pavement Engineer

021 032 3117

Email Greg.arnold@roadscience.co.nz

Darcy Rogers

Darcy Rogers

Darcy is a an expert in New Zealand for asphalt and bitumen based surfacings. He is our techincal lead and is responsible for finding and delivering customer solutions. He is passionate about understanding the fundamental science behind our customers

Position Technical Development Manager

027 491 9768

Email darcy.rogers@roadscience.co.nz