To ensure level tread cuts and plumb riser cuts on stair stringers, it's crucial to get the layout right. In this "Building Skills" article, senior editor and veteran stairbuilder Andy Engel demonstrates the necessary steps, from finding the crown to using the first stringer as a template for the second. Keeping in mind the maximum rise and minimum run allowed by the International Residential Code, he explains the calculations that determine how many risers and treads a given stringer needs t...
