Retaining Wall Setback Chart
The amount your retaining wall leans into the hill is called: Setback
Allan Block retaining wall blocks come in a variety of setbacks. Note: retaining walls designed with a 12° setback need more space than a 6° retaining wall but will be stronger and more stable.
| Allan Block Retaining Walls Setback Chart | ||||
| Setback | Wall Height | |||
| 4 ft (1.2 m) |
6 ft (1.8 m) |
8 ft (2.4 m) |
10 ft (3.0 m) |
|
AB Stones only of the AB Collection |
10.0 in 255 mm |
15.0 in 380 mm |
20.0 in 510 mm |
25.0 in 635 mm |
AB, AB Aztec, AB Metropolitan and AB Europa Collection (excluding AB Stones) |
5.0 in 125 mm |
7.5 in 190 mm |
10.0 in 255 mm |
12.5 in 320 mm |
AB Fieldstone Collection |
5.0 in 125 mm |
7.5 in 190 mm |
10.0 in 255 mm |
12.5 in 320 mm |
| Note:All values are provided for reference only. | ||||