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