PermaCast® columns are the most used columns in the United States. Made from a proprietary blend of fiber-reinforced polymers, PermaCast columns provide an aesthetically pleasing column with exceptional structural capabilities. This durable and low maintenance column provides a seamless look to the front porch that stands up to the elements like no other product on the market. PermaCast® columns are rot-proof, weatherproof, insect proof, and come with a Limited Lifetime Warranty.
Column Sizes & Types
PermaCast Tapered Column are available in the sizes below. Flutes are available in every diameter, but may be custom.
Round Plain
Round Fluted
Split Options
PermaCast columns (except for recessed panels) can be split numerous ways to fit the needs of the home. It is important to note that once the column is split, there is no load bearing capacity for the column. There are two options for split kits: a non-flange split kit or a flange split kit.
For more information about split kits, click here.
Round PermaCast Inside Dimensions
Inside dimension may vary up to 1/8″. Splitting a column will decrease inside dimension 1/8″.
| Column Size | Top ID | Bottom ID |
|---|---|---|
| 6″ | 3-7/8″ | 4-7/8″ |
| 8″ | 5-1/2″ | 6-7/8″ |
| 10″ | 7-3/8″ | 8-7/8″ |
| 12″ | 8-5/8″ | 10-7/8″ |
| 14″ | 10-7/8″ | 12-7/8″ |
| 16″ | 12-7/8″ | 15″ |
| 18″ | 14-3/8″ | 16-3/8″ |
| 20″ | 16-5/8″ | 19″ |
| 22″ | 18-1/4″ | 20-5/8″ |
| 24″ | 20-1/4″ | 22-5/8″ |
| 28″ | 22″ | 26-1/2″ |
| 30″ | 25-1/4″ | 28-1/8″ |
| Column Size | Bottom Diameter |
|---|---|
| 6 x 4 | 5-3/8″ |
| 18 x 8 | 17-1/4″ |
| 20 x 10 | 18-11/16″ |
| 20 x 12 | 18-5/16″ |
| 20 x 14 | 19-1/4″ |