Royal Corinthian -Round Tapered Plain Columns

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Royal Corinthian manufactures round tapered porch columns from 3 composite materials that will last for generations. We offer these columns in RoyalCast™ Composite Fiberglass, RoyalStone™ Synthetic Stone, and RoyaLite™ FRP Fiberglass.


Category: PVC column wraps | column casings | column surrounds...

MasterFormat: Column Covers | Composite Fabrications



Royal Corinthian
603 Fenton Ln
West Chicago, IL 60185
Tel: (888) 265-8661
Fax: (630) 876-3098

royalcor@royalcorinthian.com

https://royalcorinthian.com/

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Overview


Round Tapered Plain Columns

Royal Corinthian manufactures round tapered porch columns from 3 composite materials that will last for generations. We offer these columns in RoyalCast™ Composite Fiberglass, RoyalStone™ Synthetic Stone, and RoyaLite™ FRP Fiberglass. All of the sizes below are available in all three materials. We offer round tapered columns from diameters as small as 6” to as wide as 42”. Some of our porch columns reach up to 30 feet in height. The majority of our round tapered columns come with a capital support ring (E) that supports the weight of a Tuscan cap. In instances where othercapitals are used, the support ring is removed. Stock columns, 6” to 12”, do not have a cap support ring. If you are using these columns as column covers, please note that the “Columns to Surround Structural Supports” chart corresponds to our RoyalCast™ columns only. In general, RoyalStone™ columns will have a smaller inside diameter due to a thicker wall and RoyaLite column covers will have a larger inside diameter due to a thinner wall. Please request a specific shop drawing based on your material of choice or call or email if you need an exact inside diameter for any of our columns. Similarly, the load bearing specifications chart is for RoyalStone and RoyalCast columns; RoyaLite columns, if factory assembled, will bear significantly less weight which is why they are most suitable as column covers.


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Specifications

Column Diameter Bottom Shaft Dia Top Shaft Dia Bead Width Cut At Bead Loss First Ring Minimum Wall ThicknessAvailable Lengths (feet)
(A)(B)(C)(D)(E)
6”5-1/2”4-3/4”3/4”4-1/4”-3/8”8, 9
8”7-1/2”6-3/8”3/4”4-5/16”-3/8”8, 9, 10
10”9-1/2”8-1/4”3/4”5”-3/8”8, 9, 10, 12
12”11-1/2”9-11/16”3/4”6-1/4”-3/8”8, 9, 10, 12, 14, 16, 18
14"13-1/2”11-1/2”1”7-1/2"4-1/4"1/2"8, 9, 10, 12 (more below)
14”13-7/8”11-7/8”1-3/16”6-3/4”4-1/8"1/2”14, 16, 18, 20, 22
16"15-5/8"13-1/2"1-1/4"8"4-3/4"1/2"8, 9, 10, 12, 14 (more below)
16”15-7/8”13-1/4”2-1/8”7-1/2”4-3/4"1/2”16, 18, 20
18”17-11/16”14-7/8”1-7/8”8-7/8”5-1/8"1/2”8, 9, 10, 12, 14, 16, 18, 20, 22
20”19-3/4”17”1-7/8”9-7/16”5-5/8"1/2”8, 9, 10, 12, 14, 16, 18, 20, 22
22”21-7/8”18-1/4”2-1/16”11-3/16”6-1/2"5/8”8, 9, 10, 12, 14, 16, 18, 20, 21
24”23-1/2”19-3/4”2”12-3/8”7-1/2"5/8”8, 9, 10, 12, 14, 16, 18, 20, 22, 24
28”27-5/8”23”2-1/8”12-3/4”8-1/16"5/8”8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26
30”30-1/8”25-1/4”1-1/2”13-3/48-3/4"3/4”8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26
36”36-1/2”31”2-1/8”19-3/8”10-3/4"1”8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
42”42”36-5/8”3”22-1/4”1-1/4”8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
Columns to Surround Structural Supports
Column DiameterInside Top Shaft Diameter(S)Largest Round SupportLargest Square Support
6”4”3-1/2”2-3/8”
8”5-5/8”5-1/8"3-1/2”
10”7-1/2”7”4-7/8”
12”8-15/16”8-7/16”5-7/8”
14”10-1/2”10”7”
16”12-1/4”11-3/4”8-1/4”
18”13-7/8”13-3/8”9-3/8”
20”16”15-1/2”10-7/8”
22”17-3/8”16-7/8”11-7/8”
24”18-1/2”18”12-5/8”
28”21-3/4”21-1/4"15”
30”24”23-1/2"16-1/2”
36”29”28-1/2"20-1/8”
42”34-1/8”33-5/8”23-3/4”
RoyalCast & RoyalStone Load Bearing Specifications
Column DiameterLoad (max lbs.)
6”8,000
8”10,000
10”14,000
12”18,000
14”’20,000
16”20,000
18”20,000
20”20,000
22”20,000
24”20,000
28”20,000
30”20,000
36”20,000
42”20,000