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How Many Spindles Do I Need & How Do I Install them?

Stair spindles are for looks and safety. If it’s time to replace your current railing or you just want to freshen up the look, replacing your spindles is any modest DIY-er can do on their own.

In this guide, we’re going to show you the very simple steps to work out how many spindles you need and how to install them. Installations using a StairFurb kit can take as little as 30 minutes to complete.

Guide Contents:

If you’re looking to renovate your staircase, why not get a free mailed brochure for the latest range of DIY staircase kits by StairFurb. Each kit is tailored to your needs and is made to make installation easy.

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SPINDLE INSTLLATION GUIDE

CALCULATING THE NUMBER OF SPINDLES YOU NEED

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The number of spindles required is an easy calculation.

Have a spindle per step of your staircase and add an extra spindle.
Start by counting the number of steps you have in your staircase. For most residential staircases, count each step as one foot, then add an extra foot to figure out how long of spindles you’ll need.

For example, for 12 steps, you should purchase at least 13 feet of spindles.

You’ll need a newel post at the bottom, another newel post for each turn or landing, and a half-newel where it meets the wall. You’ll need one short baluster for the front of the step and one long baluster for the rear of the step.

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A StairFurb expert will help guide you through the measuring process and the number of spindles you’ll need for your staircase. Request a video call appointment here.

SPINDLE INSTALLATION GUIDE

PHASE ONE: ASSEMBLING YOUR SPINDLE SECTION

StairFurb offer staircase kits that are designed to be easy to install. Each kit contains pre-drilled holes and pre-cut parts making installation straightforward.

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If you’ve bought a StairFurb kit, everything should be the precise size already. Although we review each order to reduce the amount of measurement errors before shipping, if you need to make any adjustments yourself, you may need a saw.

Screws are supplied, you’ll just need:

  • A screwdriver
  • A hammer
  • Wood glue
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Each kit by StairFurb is configurable for your project, usually spindle kits include: 

  • Spindles
  • Filler strips (used to attach spindle section to handrail and baserail)
  • Screws
  • Glue
  • Handrail
  • Baserail
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Lay the spindles on a clean floor, spaced roughly the required width apart. Don’t worry about arrange the spindles precisely at this stage, the pre-drilled holes show exactly where they need to fastened.

If you have a large staircase, you may have multiple spindle sections which can be arranged and installed one at a time or if you have the space, all at once.

The top and bottom filler strips are marked where the spindles will be attached. Apply a small amount of glue to each pre-drilled hole as shown in the image.

Using the pre-drilled holes and supplied screws, screw the top and bottom filler strips to the spindles.

Allow the glue to set before moving on.

SPINDLE INSTALLATION GUIDE

PHASE TWO: ATTACH SPINDLE SECTION & FASTEN HANDRAIL

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Put the provided baserail between the newel posts. If this is too long, you may need to shorten it slightly with a saw.

Fasten the baserail to the staircase with the supplied screws into the pre-drilled holes.

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Apply a generous layer of glue to the top of the baserail, to help secure this in place to the received spindle section.

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Apply a thin layer of glue to the underside of the handrail that will asttach to the top filler strip. 

The handrail will be cut with a channel that makes attaching the handrail to the top filler strip as easy as slotting it into place.

Using the pre-drilled pocket holes at each end of the handrail, fasten these to the newel posts with the provided torque screws.

Apply glue to the supplied dowel and insert into the pocket hole.

Once dry, carefully cut or file the excess dowel and sand to a smooth finish.

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Check everything feels securely fastened. After that, all there is left to do is enjoy your new spindle staircase.

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