Staircase Cut Out

With all the cut lines drawn carefully cut along them with a circular saw.

Staircase cut out.

With these dimensions cut a template with the riser height and the tread depth minus one inch as 2 legs of a right triangle. First determine the tread depth and riser height. Cut a notch along the bottom of each stringer for space to position it over a pressure treated 2 in. The essence of laying out stair stringers is straightforward.

You use a framing square to draw the stair s notches on the stringer then you cut them out. Use the first stringer as a template to cut the subsequent stringers. Cut a triangle to use as a template for each step. He shows you how it s done with tips thrown in along the way to make this easy.

In a set of stairs 36 inches wide there are typically three stringers one on each end and one in the middle. Seven inches is a common rise and 11 1 2 a common tread depth. Pre cut stair stringers are available in a variety of sizes to make this part of the project a bit easier. 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.

The strength of the stringer weakens if the tread and riser lines are overcut. Stringer the stringer is the structural part of a set of stairs. Use common joist hangers to attach the stringer securely to the upper tier.