An angular flint-
Moonstone is available in a range of sizes to suit your landscaping project:
10mm, this is a small mix for driveways and paths -
20mm, this is ideal for paths and driveways as the slate lays flat and even -
40mm, this is bold & distinctive, with interesting shapes for borders, raised beds and impact design- Grea for water features, japaneese gardens
How much you need will depend on the depth of the area and the effect you are wishing to create.
However, as a guide please allow 1 bulk bag for every 15m2 (at a depth of 50mm)-
0.6m3 aprox 900kg, guidnace only