Stair Spindles

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      Add character and safety to your staircase with high-quality stair spindles. Also known as balusters, stair spindles are the vertical elements that support the handrail and define the overall style of your stairs. Whether you’re aiming for a traditional, contemporary, or custom look, we offer a wide selection of wood spindles in various profiles, sizes, and species. Each spindle is crafted for strength, consistency, and a smooth finish, making them ideal for both new installations and stair renovations. Designed to complement our full range of stair components, Windsor Plywood’s spindles help bring your staircase vision to life. As a proudly Canadian company with locally owned stores, we specialize in hard-to-source products and offer personalized service you can trust. Visit your local Windsor Plywood to explore our stair spindle selection and get expert advice for your next project.

      Not all products are available at every location. Check with your local store for current assortment and availability.

      2 products

      Frequently Asked Questions

      What is the difference between stair spindles and balusters?
      Spindles and balusters refer to the same component, the vertical members that fill the space between the handrail and the treads or base rail, providing the infill of the railing system. The terms are interchangeable in residential use. Windsor Plywood carries both wood and metal options.
      What spacing is required between stair spindles in Canada?
      Canadian building codes require that the spacing between spindles not allow a 100mm (4-inch) sphere to pass through. In practice, this means spindles should be spaced no more than approximately 3.5 inches apart on centre, depending on spindle thickness. This is a safety requirement for fall and entrapment prevention.
      What styles of stair spindles are available at Windsor Plywood?
      Wood spindles are available in traditional turned profiles, craftsman square profiles, and combination styles with turned centres and square ends. Metal spindles include round, square, and twist profiles in iron and steel finishes. The style choice should coordinate with the newel post and handrail design.
      How many spindles do I need for my staircase?
      A general starting estimate is two spindles per tread for standard 9 to 11 inch tread depths, but the final count depends on spindle width and the required 4-inch maximum spacing rule. Measure your total railing run, divide by the on-centre spacing you plan to use, and add for the starting and ending posts.
      Can wood and metal spindles be mixed in the same railing system?
      Yes. Mixing wood and metal spindles is a contemporary design approach that adds visual interest. A common pattern alternates a single metal twist spindle between pairs of square wood spindles. Coordinate the metal finish with other hardware in the home, including door handles, light fixtures, and plumbing fixtures, for a cohesive result.