First stringer

First stringer

With the first run of stairs done and the landing subfloor in place, the next step in the stair project is to build the second run from the landing up to the second floor. This went more smoothly than the first run, partly because I had done it before, partly because I knew going in that the landing wasn’t square, and mostly because it was a shorter run.

Sarah installing risers and treads

Sarah installing risers and treads

I used the laser level to establish distance from the beam and height to the last step. The joist above the beam forms the last step of the stairs, so the stringers rest against it. The stringers also straddle the edge of the landing so that the first step is far enough forward that when the second floor landing is built there will be enough head room. Since I also put down a 2×4 as a kick plate for the stringers, I wound up cutting a zig-zag pattern at the stringer bottoms. As before, I sistered 2x4s to the stringers for added strength, but because these stringers are only 9½” instead of 14″ thick, I had to cut the edge of the 2x4s back slightly to fit against the kick plate.

Tread and riser connection

Tread and riser connection

I cut the treads and risers slightly differently than the first run. I still cut the tongue and groove at the back of the tread so it locks into the riser, but rather than simply having the riser stick up ¼” high at the front and notch the leading edge of the tread, I used the same type of tongue and groove that I used at the back, so the tread actually locks onto the top of the riser. Not only does this fit more snugly, I didn’t have to swap blades on my dado and cut different sizes. In hindsight I should have done that for the first run, but it’s fine. Sarah glued and screwed the risers and treads into place, so all that’s left is to open up the doorway at the top of the stairs and add a temporary railing and door.

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One Response to Second Stair Run

  1. Oh my white legs! Ha!

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