Setback chart for Terraforce retaining blocks
Apart from following the installation guidelines as set out by Terraforce, it is also strongly advisable to consult the setback chart provided to achieve desired (or necessary) setback of your retaining wall.
To check your possible wall height for a single skin wall, consult the design tables (on the design planning page) for Terraforce products.
| Setback chart | ||||
| Block height mm
Wall angle ß |
225
Setback mm |
210
Setback mm |
200
Setback mm |
150
Setback mm |
| 50 | 189 | 176 | 168 | 128 |
| 55 | 158 | 147 | 140 | 106 |
| 60 | 130 | 121 | 115 | 88 |
| 65 | 105 | 98 | 93 | 71 |
| 70 | 82 | 76 | 73 | 55 |
| 75 | 60 | 56 | 54 | 41 |
| 80 | 40 | 37 | 35 | 27 |
| 85 | 20 | 18 | 17 | 13 |
