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How to Fix Stair Wedges

Updated February 21, 2017

If you begin to notice that your stairs are squeaky or loose as you walk up or down them, inspect them and make needed repairs. Stairs are often repaired with wedges that are installed along the stringers (side stair supports) at the joint between the stair riser and stair tread. Over time the wedges can become loose due to repeated use. Repair these wedges by removing them and refastening them in place. Using screws will help prevent the wedges from shifting over time.

Identify the shifted stair wedges on the underside of the squeaky stairs. Look for wedges that have a space between the tread and riser. These are the problem wedges that are causing the stairs to be noisy.

Slide a flat bar under the wedge and carefully pry it off from the stair stringer by pulling the bar outward.

Pull the finish nails out of the wedges with diagonal pliers. Fit the wedges tightly against the stringer so the top edge is tight against the tread and the back side is tightly against the riser.

Drive one wood screw through each corner of the wedges into the stringer using a screw gun to secure them in place.

Tip

Inspect noisy stairs as soon as possible to prevent the loose treads from becoming damaged.

Warning

Wear eye protection.

Things You'll Need

  • Flat bar
  • Diagonal pliers
  • Box of wood screws
  • Screw gun
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About the Author

Jonah Morrissey has been writing for print and online publications since 2000. He began his career as a staff reporter/photographer for a weekly newspaper in upstate New York. Morrissey specializes in topics related to home-and-garden projects, green living and small business. He graduated from Saint Michael's College, earning a B.A. in political science with a minor in journalism and mass communications.