Yeah, I realized I overanalyzed your response. I somewhat exagerated the sketch to get the point across. I ended up cutting 2x lumber to the size of the triangle underneath the tread. It is flush with the bottom of the tread and the wedge for the riser on the step below. I drove 2 nails...
Great, since I did not touch the bottom part of the dado or eat into the thickness of the stringer I did not think I did anything too bad. Thanks for re-iterating.
msquared48, My concern is precisely what you suggest. I am moving out of the house and just did the work about 6 months ago and...
I have installed new oak stair treads in place of the original pine planks. Due to the stringer being notched and the top stair having the structure of the top floor directly behind it, I couldn't slide it in from the back like the other stairs. I installed it at and angle and with a little...