Non-Tapered Round Poly-Classic Column Specs

Poly-Classic column shafts are molded from fiberglass reinforced polymer. Caps and bases are manufactured from low maintenance materials: FRP, polyurethane, etc. CAD prints are available singly in PDF (email), DXF or DWG (email), FAX, or on drafting vellum (24" x 36") upon request. Split columns and split/reassembled columns are NOT load bearing. Split plans and reassembly instructions Columns must be painted. Please see installation instructions. Hardware kits for column installation and reassembly of split columns are available.

Shaft Diameter	Inside Round*	Inside Square*
Shaft Diameter	Inside Round*	Inside Square*
8"	6 3/8"	4 1/2"
10"	8"	5 5/8"
12"	10 3/8"	7 5/16"
14"	11 1/8"	7 7/8"
*Note on inside dimensions: the values shown are
based on the inside shaft diameter, using Tuscan caps

Optional Attic Base
Nominal Shaft Diameter†	Plinth		Round
Nominal Shaft Diameter†	A	B	C	D	E	F	B - F
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

Column Shaft		Tuscan Base					Tuscan Cap
Nominal Outside Diameter†	Inside Diameter‡	Plinth		Rounds		Total Ht.	Round	Square		Total
Nominal Outside Diameter†	Inside Diameter‡	A	B	C	D	B-D	E	F	G	E-F
8"	6 3/4	10 7/8	1 7/8	1 3/4	5/8	4 1/4	1 13/16	1 3/4	12 5/32	3 9/16
10"	8 3/8	13 1/2	2 3/8	2 1/8	3/4	5 1/4	1 29/32	2	14 5/8	3 29/32
12"	10 3/4	16 1/4	2 3/4	2 3/8	7/8	6	2 15/32	2 5/16	16 31/32	4 25/32
14"	11 1/2	18 19/32	3 11/32	2 31/32	1	7 5/16	2 23/32	2 23/32	19 3/32	5 7/16

† Actual outside diameters are approximately 5/16" to 1/2" less than shown.
‡ Actual inside diameters my vary by 3/8"

Non-Tapered Round Poly-Classic Column - Specs