Staircase Cut Out

Pre cut stair stringers are available in a variety of sizes to make this part of the project a bit easier.

Staircase cut out.

Stringer the stringer is the structural part of a set of stairs. Use the first stringer as a template to cut the subsequent stringers. Seven inches is a common rise and 11 1 2 a common tread depth. Use common joist hangers to attach the stringer securely to the upper tier.

In a set of stairs 36 inches wide there are typically three stringers one on each end and one in the middle. The strength of the stringer weakens if the tread and riser lines are overcut. The essence of laying out stair stringers is straightforward. Expert carpenter shows you how to measure out mark and cut a stair stringer.

First determine the tread depth and riser height. He shows you how it s done with tips thrown in along the way to make this easy. With all the cut lines drawn carefully cut along them with a circular saw. With these dimensions cut a template with the riser height and the tread depth minus one inch as 2 legs of a right triangle.

You use a framing square to draw the stair s notches on the stringer then you cut them out. 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. In the notches at all the tread riser intersections stop cutting when the blade reaches the line.