Stringers: Stringers are the lengthwise, saw-shaped boards below the steps and risers. Staircases always have two stringers, though sometimes there is an additional stringer. Want more home reno ...

Amateur carpenters who have laid out the cuts in a stair stringer (the zig-zag structural support for the steps) know the queasy feeling that bubbles up at the prospect of this job. There’s the ...

Step 4: Position the square so the measurement on ... until there are enough riser and tread marks to form the steps on the stringer.