3 1/2″ wide porch spindles are far and away our best selling option. Their robust size and curvy look will be the centerpiece of your porch balustrade, and your neighborhood for that matter. Appropriate for even the largest of homes, they also look great on mid-size and even smaller porches.
Polyurethane Synthetic Porch Spindles (Balusters). Sometimes called urethane, High Density Polyurethane, HDP, or composite. Reinforced with an internal PVC pipe for strength and rigidity. Cut our Poly spindles using normal woodworking techniques.
Spacing & Quantity: To meet the 4″ ball rule required by most building codes, space these spindles according to the following On Center spacing:
Revival: 5 1/2″ O.C.
Victorian: 5 3/4″ O.C.
Classic: 6″ O.C.
Using the above spacing, you’ll have a 3 7/8″ gap between them at the narrowest portion.
QUANTITY DISCOUNTS are automatically applied in your shopping cart, starting at 100 pieces.
4″ Ball Rule: To meet most building code regulations, a 4″ ball can’t pass through the widest opening between balusters. Purchaser must check for system suitability in their area. Western Spindle, LLC makes no guarantee of suitability on any specific application.
PL Premium Adhesive must be used on all bedding/butt joints.
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Proudly Made in the USA.
For ProsDownload Product Drawings:
- 3 1/2" wood spindle drawings (PDF)
- Poly Balustrade Structural Testing.pdf
- Poly Balustrade 3 part specs (.doc)