Staircase Cut Out

Stringer the stringer is the structural part of a set of stairs.

Staircase cut out.

The essence of laying out stair stringers is straightforward. Use common joist hangers to attach the stringer securely to the upper tier. If you ve done the math it s grade school stuff and the layout right the tread cuts will be level and the riser cuts plumb. Use the first stringer as a template to cut the subsequent stringers.

First determine the tread depth and riser height. With all the cut lines drawn carefully cut along them with a circular saw. Expert carpenter shows you how to measure out mark and cut a stair stringer. You use a framing square to draw the stair s notches on the stringer then you cut them out.

They are cut from 2x12s or larger material the uncut portion of the stringer should not be less than 5 inches 127 mm see diagrams below. In the notches at all the tread riser intersections stop cutting when the blade reaches the line. The strength of the stringer weakens if the tread and riser lines are overcut. Seven inches is a common rise and 11 1 2 a common tread depth.

He shows you how it s done with tips thrown in along the way to make this easy. With these dimensions cut a template with the riser height and the tread depth minus one inch as 2 legs of a right triangle. Cut a triangle to use as a template for each step.