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Round Non-Tapered Plain Column

Round Non-Tapered Plain Column

Royal Corinthian manufactures round non-tapered columns from 3 composite materials: Composite Fiberglass, Polymer Stone, and FRP Lightweight Fiberglass. All three materials are available in all of the sizes below.  We are able to create additional diameters by taking the bottom portions of our tapered columns so if you are looking for 6”, 22”, 28”, 30”, or 36” diameter non-tapered porch columns, please call or email for additional information.  We differ from the rest of the industry in that our non-tapered columns have astragals that are part of the shaft which saves a lot in terms of installation costs if you have to attach loose astragals on site.  If you do not desire to have an attached neck ring, we are able to remove them from the shaft at no cost.

The majority of our non-tapered columns come with a cap support ring that holds up a Tuscan capital, which is very useful especially when using some of our heavier materials.  The cap support ring is removed in instances where decorative capitals are used. The structural supports chart below corresponds to our RoyalCast fiberglass columns: Synthetic stone columns tend to be slighter thicker and RoyaLite columns tend to be thinner.  Exact specifications for the aforementioned are available upon request or via shop drawings.  The load bearing specifications chart pertains only to RoyalCast and RoyalStone columns: RoyaLite columns are typically used as column covers but in instances where we assemble them into whole columns, the load-bearing capacities will be significantly lower than on the chart below.

Specification
    • 6” column: supports up to 8,000 lbs
    • 8” column: supports up to 10,000 lbs
    • 10” column: supports up to 14,000 lbs
    • 12” column: supports up to 18,000 lbs
    • 14” column: supports up to 20,000 lbs
    • 16” column: supports up to 20,000 lbs
    • 18” column: supports up to 20,000 lbs
    • 20” column: supports up to 20,000 lbs
    • 24” column: supports up to 20,000 lbs
    • 30” column: supports up to 20,000 lbs
    • 36” column: supports up to 20,000 lbs

Technical specification
  • Unique ref.round-non-tapered-plain-column
  • Product familyColumns
  • Product groupRound
  • TypeObject (single object)
  • Date of publishing2025-11-12
  • Edition number1
Related
  • Material mainFiber Glass
  • Designed inUnited States
  • Manufactured inUnited States
Classification
  • BIMobject CategoryLandscaping - Other Landscaping
  • Uniclass 2015 CodeEF_20_30
  • Uniclass 2015 DescriptionColumns
  • OmniClass Number23-13 35 11 13 11
  • OmniClass TitleColumns

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States
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