What are the poles of a banister called?

Staircase Terminology: The Vertical Posts in a Banister

Brief Summary

The vertical posts in a banister (stair railing system) have two primary names, depending on their role and location:

• Newel Posts: These are the larger, sturdier posts that anchor the handrail at key points like the start, end, landings, or turns of a staircase.
• Balusters: These are the smaller, often decorative, vertical posts that fill the space between newel posts, creating the balustrade.

Expanded Answer

Newel Posts: The Cornerstones of Stability

• Function: Newel posts provide the primary structural support for the banister. They are designed to withstand significant weight and lateral forces, ensuring the stability of the entire railing system.
• Placement: Strategically located at critical points:
  • Starting Newel: At the bottom of the stairs, marking the beginning of the handrail.
  • Landing Newel: On landings or platforms where the staircase changes direction.
  • Top Newel: At the top of the stairs, providing a termination point for the handrail.
  • Intermediate Newels: May be used in long runs for additional support.
• Design & Materials: Newel posts are typically larger and more prominent than balusters. They can be made from various materials like wood, metal, or even stone, and often feature decorative elements such as caps or finials.

Balusters (or Spindles): The Infill & Safety Barrier

• Function: Balusters are the vertical members that fill the space between newel posts, forming the balustrade. They serve several key purposes:
  • Safety: Act as a barrier to prevent falls, particularly for children or pets.
  • Support: Provide additional support to the handrail, distributing its weight.
  • Aesthetics: Contribute to the overall visual style of the staircase.
• Design & Materials: Balusters are generally smaller and more decorative than newel posts. They can be made of wood, metal, glass, or other materials, and come in a wide array of styles, from simple to ornate.
• Building Code Requirements: Baluster spacing is regulated to ensure safety. In the USA, the maximum allowable gap between balusters is typically 4 inches (the “4-inch sphere rule”).

Other Terminology

While “newel post” and “baluster” are the most common terms, you may also encounter these:

• Spindles: Often used interchangeably with “balusters”, especially for simpler designs.
• Pickets: More commonly used for exterior railings, but can also refer to vertical supports in certain contexts.
• Uprights: A general term that can encompass both newel posts and balusters.

Trends in Staircase Design

• Modern Minimalism: Contemporary designs often favor clean lines and simple forms, with sleek metal balusters and minimalist newel posts.
• Mixed Materials: Combining different materials for newel posts and balusters can create visual interest and complement various architectural styles.
• Open Risers: The trend towards open riser staircases, where the space between treads is open, often highlights the design of the balusters.

Conclusion

Understanding the distinction between newel posts and balusters is essential for anyone involved in staircase design, construction, or renovation. While both are vertical supports, newel posts serve as the primary structural anchors, while balusters provide infill and contribute to safety and aesthetics. By choosing the right combination of newel posts and balusters, you can create a staircase that is both functional and visually appealing.