How to install a stair banister

Updated February 21, 2017

Installing a stair banister can update your home by adding style and beauty to your staircase. Installing a stair banister also offers an added safety feature when using your staircase. The banister, and also a hand railing, will prevent slips and falls by using the banister. Installing a banister on a staircase requires some hard work, but can be done in a few steps.

Measure your current banister to give you the proper measurement for your new banister. If you do not have a current banister, then measure from the top of the staircase to the bottom to give you a rough estimate.

Cut the new banister to the appropriate length and angle of your staircase using a saw. You may not need to cut your banister if you ordered it to fit the staircase using precise measurements. Use a pencil to mark the underside of the banister to mark where the stair spindles holes will need to be drilled.

Drill a small hole where you made marks on the underside of the banister. The hole should be about 1.2 cm (1/2 inch).

Apply wood glue to the top of the stair spindles where the banister will meet the spindle, and also apply some wood glue in the newly drilled hole. Place some glue on the banister where it meets the wall and at the bottom where it meets the newel post.

Place the banister in place on the spindles and wipe away any excess glue. When putting the banister in place, it's best to begin from the top and work your way down the staircase. You may want to ask someone to help you hold the banister in place while you work your way down the staircase.

Secure the banister in place at the wall fitting and on the newel post at the bottom of the staircase. To do this, you can use wood glue or screw wood screws on the underside of the banister into the wall and the newel post. Using screws will give you a more secure banister over time.

Allow the banister to set and the glue to dry for 24 hours before using the banister to ensure it's set and secure.

Things You'll Need

  • Tape measure
  • Saw
  • Pencil
  • Drill
  • Wood glue
  • Wood screws
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About the Author

Johnathan Cronk is a freelance writer and began writing at the age of 18. Throughout his career he has specialized in sports, how-to and advice articles. He has also written sales pitches in the corporate setting since 2001. He studied business at Hudson Valley Community College before transferring to the State University of New York, Albany.