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Setback Chart for Retaining Walls   View Complete Commerical Retaining Wall Manual

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
1.2 m
1.8 m
2.4 m
3.0 m

AB Stones only
of the AB Collection

255 mm
380 mm
510 mm
635 mm

AB Collection
(excluding AB Stones & AB Vertical)

125 mm
190 mm
255 mm
320 mm

AB Vertical only
of the AB Collection

65 mm
95 mm
125 mm
160 mm