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Square Porch Columns

NON-Tapered Plain
Width Load-Bearing Capacity*(Pounds) Available Lengths
6 5,000    6, 8, 9, 10   
8 6,500 6, 8, 9, 10, 12
10 7,000 6, 8, 9, 10, 12
12 7,500 6, 8, 9, 10, 12, 14, 16
16 20,000 6, 8, 9, 10, 12, 14, 16, 18, 20
NON-Tapered Recessed Panel (1, 2,  & 3 Panels)
Width Load-Bearing Capacity*(Pounds) Available Lengths
8 6,500    6, 8, 9, 10, 12   
10 7,000    6, 8, 9, 10, 12   
12 10,000    6, 8, 9, 10, 12   
NON-Tapered Fluted
 
Width Load-Bearing Capacity*(Pounds) Available Lengths
8 6,500    6, 8, 9, 10, 12   
10 7,000    6, 8, 9, 10, 12   
12 10,000    6, 8, 9, 10, 12   
Tapered Plain
 
Width Load-Bearing Capacity*(Pounds) Available Lengths
10 (tapers to 8") 10,000    5'-6", 8, 10   
12 (tapers to 10") 14,000 5'-6", 8
14 (tapers to 10") 14,000 12
16 (tapers to 10") 14,000 5, 8
18 (tapers to 10") 14,000 10
Square Non-Tapered Fiberglass Column Fiberglass Square Recessed Panel Column Square Fluted Non-Tapered Fiberglass Column Square Plain Tapered Fiberglass Column Craftsman PVC Columns
Click on image for these styles
  • Tuscan Cap and Base standard (astragal sold separately)
  • Prairie and Craftsman Cap/Base available
  • Recessed Panel comes with 1, 2, and 3 Panels
  • Many Caps to choose from: Decorative Capitals
  • *Load bearing capacity is based on concentric loading.
  • Most dimensions of width or diameter are nominal

We offer most of our square porch columns in RoyalStone (polymer stone), RoyalCast, FRP, GFRC, and RoyaLite Fiberglass. RoyaLite is a pultruded fiberglass and is available in every style and size except for the Plain 16" wide columns. RoyalCast is available in every style and size and has higher loadbearing capacities than listed in the chart (chart capacities are based on pultruded fiberglass columns). FRP and GFRC is available in every size.  Our RoyaLite square pillars are lightweight, easy to install, will not decay and have a limited LIFETIME warranty. RoyalCast comes with the same warranty but are somewhat heavier. Square pillars are available plain, fluted, or recessed panel. The recessed panel option is available with one, two, or three panels (pictured with 2). As with our round architectural products, all square products can be cut to size from the bottom of the shaft. The caps and bases pictured above are the standard Tuscan style; however, decorative capitals are available for our square columns (click on the links below the column images). All RoyalCast columns once installed need to be primed and painted (see Fiberglass Column Installation Guide) for guidelines and tips.  This line is a great alternative to wood as they will not rot, crack, or split...why else would we back them with a lifetime warranty?  Decorative square columns can also be found in our Polyurethane Columns section. Polyurethane is not load-bearing like most of our other lines.