A column consists of a shaft with a capital and base. When selecting the column height, please be aware that the height includes the capital and base.
We sell Royal Corinthian Columns. Royal Corinthian has over 25 years experience in the manufacture of industry specified Fiberglass columns/FRP columns, previously reserved only for large commercial or residential specification. Royal Corinthian is a leader in quality through reputation, providing a long lasting, sturdy option to the standard “boutique” variety columns available elsewhere. Crown-Molding.com is very pleased to be one of the few online retail stores permitted to offer the Royal Corinthian line.
12″ RoyalCast Non-Tapered Square Fluted Column w/ Tuscan Capital and Base Features:
- Manufactured with FRP, for durability and longevity
- Every Square Column has a Stone like feel
- Perfect as patio columns, porch columns and for pergolas or gazebos
- Columns may be used around an existing support post when split.
- Poly-Classic Fiber Cast Columns have a Limited Lifetime Warranty
RoyalCast Column Covers
Column Width | Top/Bottom Shaft Width | Bead Width* | Average Wall Thickness* | Load-bearing Capacity* (lbs.) | Available Lengths(feet) |
---|---|---|---|---|---|
(A) & (B) | (C) | ||||
8” | 7-5/8” | 1-1/4” | 3/8” | 10000 | 4,6,8,9,10,12,14,16,18 |
10” | 9-5/8” | 1-1/4” | 3/8” | 14000 | 4,6,8,9,10,12,14,16,18 |
12” | 11-5/8” | 1-1/4” | 1/2” | 18000 | 4,6,8,9,10,12,14,16,18 |
14” | 13-5/8” | 1-9/16” | 1/2″ | 18000 | 4,6,8,9,10,12,14,16,18,20 |
16” | 15-5/8” | 1-3/4” | 5/8” | 20000 | 4,6,8,9,10,12,14,16,18,20 |
Our Sizes Are Nominal
All installation information is of general nature; columns should be installed and secured according to standard construction practices and in compliance with local regulations. 2nd story balconies should not be attached directly to the side of any column.
**Reassembly kit includes: 1 tube of FRP Adhesive, 6 reassembly Straps, 4 metal joining clips with screws.
RoyalCast Columns to Surround Structural Supports
Column Width | Inside Top Shaft Diameter | Largest Round Support | Largest Square Support |
---|---|---|---|
(S) | |||
8” | 6-5/8” | 6-1/8” | 4-1/4” |
10” | 8-5/8” | 8-1/8” | 5-3/4” |
12” | 10-5/8” | 10-1/8” | 7-1/8” |
14” | 12-5/8” | 12-1/8” | 8-9/16” |
16” | 14-3/8” | 13-7/8” | 9-3/4” |

Tuscan Cap | Tuscan Base | |||||
---|---|---|---|---|---|---|
Size | Width | Height | Weight (lbs.) | Width | Height | Weight (lbs.) |
(D) | (E) | (F) | (G) | |||
8” | 10-7/8” | 3” | 2.5 | 10-1/2” | 4-1/4” | 6 |
10” | 13-9/16” | 3-3/4” | 7 | 13-5/16” | 5-3/8” | 12.5 |
12” | 17-3/8” | 4-1/8” | 19 | 16-1/8” | 6-1/4” | 31 |
14” | 18-3/16” | 4-5/16” | 23 | 18-5/16” | 7-9/16” | 40 |
16” | 20-5/8” | 5-5/8” | 28 | 20-9/16” | 9-1/2” | 49 |
Weights are based on cast materials. RoyaLite caps/bases are significantly lighter but very robust.

SFNT-12