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Architectural Detail Experts | A Blog by Worthington Millwork

Wood Substitutes For Your Porch With Heavy Architectural Details

Posted by Holli McRae on 7/24/13 10:45 AM

Old houses endure, but not so much Porch Poststhe porches that give the home character. If left unpainted, even first-growth millwork will eventually splinter and rot, especially if it's been fancifully scroll-cut. So if your porch is in good shape, count yourself fortunate (and keep a paintbrush handy). For those longing to re-create a period porch, you're in luck: Recent innovations in building materials make it possible to hit all the architectural high notes - often without requiring the kind of skilled construction that's been hard to come by since World War II.

Components like chamfered porch posts and spindle-and-rail balustrades, long milled from lumber, are now also available in second-or-third-generation composite materials that offer some real advantages over wood. Among them are offerings like Worthington's polyurethane systems.

Alternatives For Wood

Wood remains the standard for structural porch elements like posts and columns and for highly visible decorative elements like fretwork around the landing. But even old-growth and rot-resistant woods like mahogany and cedar require maintenance, especially when they are weathering in extreme climates. Some acceptable alternatives:

  • Composites are cellular PVC and reinforced polymers that have been cast, extruded, or wound with fiberglass. These low-maintenance. water-, fire-, and insect-proof materials are stronger than concrete or steel, so they're ideal for structural elements that are expensive and made of wood, like columns. Some versions have the same color and texture throughout and never need painting, and the best are UV resistant, so they wont change color.
  • Polyurethanes are high-density thermoplastics made in molds. For decorative and non structural elements like corbels, they offer real advantages over wood. They can be cut and shaped (even shaved!) easily, and once painted, won't shrink or swell.

"Old-House Interiors" August 2011

Did you like the article but need to know where to purchase one of the materials listed? Click below.


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Topics: Balustrade System, Architectural Columns, Brackets, PVC Railing

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