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Can I really use construction adhesive to attach hardwood stair treads and risers?

Home Improvement Asked by Tester101 on August 30, 2020

I’ve been considering removing the carpet from my stairs, and installing hardwood flooring instead. While preparing for this project, I started watching YouTube videos.

A lot of the videos show guys simply sticking the treads and risers down, with only construction adhesive. Is this a legitimate technique for installing hardwood stairs? Are modern construction adhesives really strong enough to hold the treads in place, without any other fasteners?

One Answer

Simple answer... NO!!! As someone who's done a lot of hardwood flooring, as well as stairs, adhesives are not enough to hold a stair tread down. Treads should be attached with a combination of adhesive and nails. Nail length being a minimum of twice the thickness of your tread and of 16 gauge or larger.

You can just glue the risers but that's not something I'd personally do either. I'd use adhesive and a few Brad nails ( 18 gauge ) will suffice.

Most construction adhesives dry hard. And over time, simply break their bond to the stringer.

Answered by BillWeckel on August 30, 2020

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