What is the difference between balusters and spindles?
Matthew Perez
Updated on March 05, 2026
What is the difference between balusters and spindles?
A baluster and spindle is actually almost the same thing, but the word spindle is more commonly used because it is easier to remember and say. Balusters usually rest on a footing; this could be a step, floor or deck, whereas, spindles are supported by a horizontal rail at the bottom that is attached to the posts.
How far apart should metal spindles be?
Balusters are the vertical guards that support the handrail. They must be installed close enough that the space between them is less than 4 inches. Most city inspectors carry a 4-inch ball with them to test the spacing. Installed balusters should withstand 50 pounds of pressure exerted over a 1-sq.
What are the spindles on a deck called?
Balusters are the closely spaced supports used to hold up a waist-high handrail, safely containing people inside a staircase or patio deck. They are practical and decorative, providing style and support to the rail system. Balusters are attached to either the floor or secondary support called a base rail.
How much do metal spindles cost?
Average Cost to Install Wrought Iron Railings
| Line Item | Price Range |
|---|---|
| Spindles | $130 – $1,600 |
| Hardware | $30 – $200 |
| Labor | $300 – $1,000 |
| Total | $700 – $4,600 |
What does a balustrade look like?
Found lining many staircases and terraces, a balustrade is a row of small columns topped by a rail. The term is derived from the form’s constituent posts, called balusters, a name coined in 17th-century Italy for the bulbous item’s resemblance to blossoming pomegranate flowers (balaustra in Italian).
Should deck balusters be inside or outside?
Your balusters (as shown) all are attached from the outside of the railing, deck etc. Over time, these balusters loosen. When a child falls against the loosened baluster, the balusters will give and the child falls thru (to injury). Better to have the balusters fastened from inside of the railing or deck.
How do you modernize a deck?
Deck Upgrades
- Improve the flow of traffic by moving the stairs.
- Refresh a plain wooden deck with stain.
- Hide the dead space under the deck by adding a skirt.
- Fill in blank spaces around the deck with plants.
- Create privacy with screens.
- Add architectural details with an overhead structure.
How do I calculate how many spindles I need?
It is as simple as that. To calculate the number of stair spindles required, count the number of treads (steps) on the single flight, making sure not include the landing area, multiply by two, and then subtract two (as you will only require one spindle on the top and bottom steps to make room for the newel posts).
What is code for horizontal deck railing?
The IRC (International Residential Code) requires that deck railing be at least 36″ in height. This should be measured from the deck or porch surface to the top of the railing. But you should also check your local building codes because counties and cities may have different requirements.
What is the cost of a spindle?
The price, including labor, to replace a full set of spindles can range anywhere from $1,200 to $1,600….Cost to Replace Stair Banisters.
| Banister Material | Price Per Linear Foot (Including Labor) |
|---|---|
| Steel | $60-$110 |
| Aluminum | $70-$80 |
| Wood | $30-$75 |
What is the difference between banisters and balusters?
is that banister is the handrail on the side of a staircase while baluster is (architecture) a short column used in a group to support a rail, as commonly found on the side of a stairway; a banister.
How to install deck spindles?
Cut the Handrail. The first step is to measure in between the posts to get the handrail measurement.
What is a composite metal deck?
Composite Metal Deck. Composite Steel Floor Deck has a ribbed profile with embossments designed to interlock with concrete slabs, creating a reinforced concrete slab that serves the dual purpose of permanent form and positive reinforcement. Click on the profile or deck name for more information or to request a quote.
What is steel deck?
Also known as roof deck, non-composite floor deck, composite floor deck, metal deck, decking or just deck. Steel deck is a cold-formed steel panel usually used as a structural platform to form a roof or floor. Steel deck is usually a corrugated cold rolled steel sheet that is laid onto a support structure.
What is iron stair spindle?
Welcome to The Iron Spindle. The Iron Spindle specializes in the custom remodel of your home’s staircase with the installation of wrought iron spindles. Sometimes referred to as balusters, wrought iron spindles provide an upgraded visual appeal that transforms your ordinary functioning staircase into a working piece of art.