Calcrete / Limestone
This product is the closest you will get to a crushed limestone within the City of Karratha. The material is well graded with no plasticity making it excellent for use as structural fill and is well suited to use as a subbase or hardstand material.
Boat Beach Sand
This sand is a clean screened fine sand product that is best suited for use as a bedding material around pipes and under paving and structures.
Wickham MRWA Gravel
This well graded and non plastic natural gravel complies with MRWA Basecourse Specification and makes an excellent pavement material.