The bottom riser will probably need to be cut to custom height.
Build 2 step staircase.
They keep the stairs secured on.
Mark a carpenter s square to the height and depth of your steps.
Don t cut it down to length just yet.
Add all risers and treads up to the top of the stairs.
Build your top step as you would for a single step.
Build your bottom step twice as wide as a single step.
You will need one box for each step.
Stringers also known as stringer board are the outer part of the staircase housing.
Nail the second riser and screw on the two 2x6 bottom treads leaving a in gap between the boards.
Cut three stair stringers from 2 x 12 lumber to accommodate a 3 1 2 stair height.
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.
Lay out a sufficiently long piece of 2 in 12 in 5 1 cm 30 5 cm lumber.
Fasten the two frames together with the back framing members flush with each other.
For each stair cut 10 treads from 2 x 10 lumber and 7 risers from osb sheets.
Add decking on top of your frame.
In our example you would need to mark it at 7 3125.
Modify the top of the stringer to.
When starting the staircase construction you ll need to decide how the stringers will connect to the upper and lower.
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.