Determining the Radius of Your Retaining Wall

Use this chart to find the minimum recommended radius at base of the wall. Note all radius lengths, dimensions and setbacks are approximate. AB Fieldstone 824 units are to be used in straight walls or gradual curves only.

Learn more on curved retaining wall construction.

AB Radius Chart for Base Course of Curved Retaining Wall
Setback Wall Height
3 ft
(0.9 m)
4 ft
(1.2 m)
5 ft
(1.5 m)
6 ft
(1.8 m)

AB Stones 12° (Ref)

5 ft 3 in
(1.6 m)
5 ft 6 in
(1.7 m)
5 ft 9 in
(1.75 m)
6 ft
(1.8 m)

AB Classic, AB Lite Stone 6° (Ref)
AB Aztec Classic, AB Aztec Lite Stone 6° (Ref)
AB Metro Classic 6° (Ref)
AB Dover, AB Barcelona 6° (Ref)

4 ft 11 in
(1.5 m)
5 ft 1 in
(1.55 m)
5 ft 4 in
(1.62 m)
5 ft 6 in
(1.7 m)

AB Fieldstone 6° (Ref)
with Short Anchoring Unit (SAU)

6 ft 5 in
(1.95 m)
6 ft 7 in
(2 m)
6 ft 10 in
(2.1 m)
7 ft
(2.13 m)

AB Jumbo Junior, AB Junior Lite 6° (Ref)
AB Aztec Junior, AB Aztec Junior Lite 6° (Ref)
AB Palermo, AB Bordeaux 6° (Ref)

3 ft 5 in
(1.0 m)
3 ft 10 in
(1.16 m)
4 ft 3 in
(1.28 m)
4 ft 7 in
(1.4 m)
Radii (Ref) listed are for reference only.