




| Type of Soil Retention System | Maximum Depth | Posts | Available with Integral Fence |
| Timber Gravel Boards 22mm thick | 150mm | Timber | Yes |
| Timber Gravel Boards 50mm thick | 450mm | Timber | Yes |
| Concrete Gravel Boards | 600mm | ConcreteSlotted | Yes |
| Machine Rounded Vertical System | 900mm | N/A | No |
| MachineRounded Horizontal System | 1200mm | Steel | No |
| RailwaySleepers | 1500mm | Varies | No |
©Copyright AVS Fencing Supplies Limited 2012 |
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