COLAS are well resourced to provide high quality materials to build and maintain your pavements through our expanding network of aggregate, binder and asphalt production facilities. Our state based contracting businesses are also well placed to service your asphalt and spray sealing needs. COLAS Solutions is a specialised business that provides mineral filled polymer modified emulsion and crack sealing treatments for any road, airport or car park in Australia. Our production and contracting operations are supported by onsite laboratories and a central laboratory to undertake quality control and mix design testing using the most suitable aggregates and advanced binder technology.