Number of AB Dublin Blocks Needed |
Approximate Wall Height |
Wall Length |
4 ft 1.2 m |
5 ft 1.5 m |
8 ft 2.4 m |
12 ft 3.7 m |
20 ft 6.1 m |
1 course 6 in. (150 mm) |
3 |
4 |
6 |
9 |
15 |
2 courses 12 in. (300 mm) |
6 |
8 |
12 |
18 |
30 |
3 courses 18 in. (450 mm) |
9 |
12 |
18 |
27 |
45 |
4 courses 24 in. (600 mm) |
12 |
16 |
24 |
36 |
60 |
5 courses 30 in. (750 mm) |
15 |
20 |
30 |
45 |
75 |
Wall Caps Needed |
6 |
8 |
12 |
18 |
30 |
Number of Corner Blocks Needed For Posts/Pillars |
Approximate Post/Pillar Height |
Number of Posts/Pillars |
1 |
2 |
3 |
4 |
5 |
2 courses 12 in. (300 mm) |
8 |
16 |
24 |
32 |
40 |
3 courses 18 in. (450 mm) |
12 |
24 |
36 |
48 |
60 |
4 courses 24 in. (600 mm) |
16 |
32 |
48 |
64 |
80 |
5 courses 30 in. (750 mm) |
20 |
40 |
60 |
80 |
100 |
6 courses 36 in. (900 mm) |
24 |
48 |
72 |
96 |
120 |
Post Caps Needed |
2 |
4 |
12 |
8 |
10 |