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Step 5 · Trim Edges and Secure

Once the treads are in place, inspect the edges. If there is any slight overhang or unevenness, carefully trim it with a sharp utility knife. For extra security, especially on spiral stairs where edges can be more prone to lifting, consider using small, discrete carpet tacks or staples along the very edge of the tread, driven into the metal. Ensure these fasteners are not a tripping hazard.

Tools and Materials

Carpet Knife Everbilt #3 x 1.75 oz. Zinc-Plated Carpet Tacks (2-Piece) 801144 Stanley SharpShooter Heavy Duty Staple Gun

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Trim Edges and Secure · How to Install Carpet Treads on Metal Spiral Stairs · Oak Valley Designs DIY Hub

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