Servicing The Perth Metro Area. Concrete Contractors - Quinns Rocks, WA . Place: Car Parks, Drains, Driveways, Floors, Foundations, Paths, Patios, Pergolas, Pits, Pool Surrounds, Ramps, Retaining Walls, Roadways, Site Earthworks, Subdivisions, Walls. Feature: Coloured, Decorative, Exposed Aggregate, Limestone, Patterned, Plain, Precast. Item: Rafts, Stairs, Steps. Equipment: Backhoes, Pumps. Material: Aggregate, Cement, Crushed Rock, Gravel, Marble, Pre-mixed