What is the difference between balusters and spindles?

Balusters vs. Spindles: Are They Really Different?

Brief Summary

In the context of staircases, balusters and spindles are essentially the same things: vertical supports for the handrail that fill the space between newel posts. However, some subtle distinctions may exist based on historical context, regional usage, and design specifics.

Expanded Answer

Baluster: The Technically Correct Term

• Definition: Balusters are the upright posts that support the handrail and create the infill within a balustrade (the entire railing system).
• Etymology: The word “baluster” originates from the Italian word “balaustra,” meaning “wild pomegranate flower,” as early balusters often resembled the shape of a pomegranate bud.
• Usage: While “baluster” is the technically accurate term, it is sometimes perceived as more formal or traditional.

Spindle: The Common Colloquialism

• Usage: “Spindle” is often used interchangeably with “baluster,” especially in casual conversation or when referring to simpler or thinner designs.
• Origin: The term “spindle” likely derives from its resemblance to the tool used for spinning fibers, which has a similar elongated and slender shape.
• Perception: “Spindle” is sometimes considered more accessible and easier to remember than “baluster.”

Subtle Distinctions

While the terms are largely synonymous, some subtle distinctions may arise:

• Historical Context: In historical or architectural contexts, “baluster” may be preferred to emphasize the traditional or classical origins of the design.
• Regional Variations: In certain regions or industries, one term may be more prevalent than the other.
• Design Specificity: Some argue that “spindle” is more commonly used for simpler, turned designs, while “baluster” encompasses a wider range of styles, including more elaborate or decorative ones.
• Support Structure: The provided answer suggests a distinction in how they are supported, with balusters resting on a footing and spindles supported by a bottom rail. However, this distinction isn’t universally recognized. Both balusters and spindles can be attached to either the treads/floor or a bottom rail, depending on the design.

Building Codes and Regulations

Regardless of the term used, the essential safety and structural requirements remain the same:

• Spacing: The maximum gap between balusters/spindles is typically 4 inches to prevent children from passing through.
• Height: The overall height of the railing system, including the balusters/spindles, must meet minimum requirements, typically 34-38 inches for residential staircases.
• Strength: The balusters/spindles and their attachment methods must be strong enough to withstand anticipated loads and forces.

Conclusion

While some subtle distinctions may exist, the terms “baluster” and “spindle” are largely interchangeable when referring to the vertical supports in a staircase railing. The choice of term often depends on personal preference, regional usage, or the specific design context. Regardless of the terminology, prioritize safety and compliance with building codes when selecting and installing these essential staircase components.