I don’t cut stair stringers every day. Most of the time, I go years between stair jobs when I either have to cut them to help a neighbor or on some volunteer job. That’s why I’ve come to ...

Now, it's time to figure out the steps' runs ... A handsaw or a reciprocating saw are the best tools for cutting stair stringers. However, you can make the cutting job easier by making notches ...

The usual technique is to bolt it to the stair stringers (the frame). But it'll only be solid if the stringers are solid.