Build your bottom step twice as wide as a single step.
Build 2 step staircase.
Fasten the two frames together with the back framing members flush with each other.
Mark a carpenter s square to the height and depth of your steps.
Build your top step as you would for a single step.
Don t cut it down to length just yet.
You will need one box for each step.
Add all risers and treads up to the top of the stairs.
Nail the second riser and screw on the two 2x6 bottom treads leaving a in gap between the boards.
Easy and cheap shed stair steps using two boards replaced broken uneven cinder block steps for our shed with these quick and easy steps made from one 2x6x10.
Cutting the stringers 1.
Add decking on top of your frame.
Cut a notch in the bottom of the stringers to fit over a piece of 2 x 4 lumber making sure to cut the notch in the same place on each stringer.
Modify the top of the stringer to.
For each stair cut 10 treads from 2 x 10 lumber and 7 risers from osb sheets.
Stringers also known as stringer board are the outer part of the staircase housing.
Lay out a sufficiently long piece of 2 in 12 in 5 1 cm 30 5 cm lumber.
The bottom riser will probably need to be cut to custom height.
Pre cut stair stringers are available in a variety of.
They keep the stairs secured on.
In our example you would need to mark it at 7 3125.
Attach the bottom riser into each stringer and check the squareness of the stair.