We recommend:
- Garden product depths of .05m (50mm) to .2m (200mm).
- Concrete depth from .05m to 0.75m (50-75mm) for paths & .1 to .2 (100-200mm) for bases & driveways.
Measuring key:
0.05m = 50mm or 5cm
0.075m = 75mm or 7.5cm
0.1m = 100mm or 10cm
0.15 = 150mm or 15cm
0.2 = 200mm or 20cm