| Column Diameter | Plinth | Base Moulding | Total | ||||
| A | B | C | D | E | F | B-F | |
| 6" | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 8" | 10-7/8" | 1-7/8" | 1-1/8" | 7/8" | 3/4" | 1/2" | 5-1/8" |
| 10" | 13-1/2" | 2-3/8" | 1-1/4" | 1-1/8" | 7/8" | 5/8" | 6-1/4" |
| 12" | 16-1/8" | 2-3/4" | 1-1/2" | 1-3/8" | 1" | 5/8" | 7-1/4" |
| 14" | 18-1/2" | 3-5/16" | 1-3/4" | 1-21/32" | 1-1/4" | 11/16" | 8-21/32" |
| 16" | 21-3/16" | 3-3/4" | 2-7/32" | 1-7/8" | 1-15/32" | 13/16" | 10-1/8" |
| 18" | 23-15/16" | 4-7/32" | 2-11/32" | 2-1/8" | 1-7/16" | 1-1/8" | 11-1/4" |
| 20" | 27-1/16" | 4-3/4" | 2-11/16" | 2-3/8" | 1-3/4" | 1-7/16" | 13" |
| 24" | 32-12" | 5-3/4" | 3-5/16" | 2-13/16" | 2-1/8" | 1-3/4" | 15-3/4" |
| *All Attic Bases are Endura-Stone™ Material | |||||||