This will create a stair stringer calculator.
Build two step stairs.
Build your bottom step twice as wide as a single step.
Also cut one piece of treated 2 x 4 lumber to 3 long.
Learn about an old school technique to mark and cut stairs stringers without any specialty tools or calculators.
Make the steps 12 deep by 26 5 wide.
Build your top step as you would for a single step.
But the basics are generally.
2 steps at 9 66 leaving 9 66 from the second step to the hot tub.
Use the narrow part of the square for clamping the riser gauge and the wider part for the 10 1 4 in.
This is one of the many ways you could do th.
Add decking on top of your frame.
Fasten the two frames together with the back framing members flush with each other.
The simplest way to do this is like a toddlers step stool with 2 steps instead of 1.
All steps must be the same size the rise and run must be the same on every step width of each step must be at least 2 feet 8 inches normal household steps are.
To make extra strong steps place 2 in 4 in 5 1 cm 10 2 cm boards on both sides of the center stringer under the treads.
You will need one box for each step.
For instance you could cut 1 in 5 in 2 5 cm 12 7 cm boards to the width of the stairs and install two on each step with a gap between them.
Clamp the stair gauges to the carpenter s square.
Nail the risers to the stringers to complete the steps.
I recommend that anyone building a staircase in there home contact a building inspector to inquire about current and applicable fire building code.
For each stair cut 10 treads from 2 x 10 lumber and 7 risers from osb sheets.
Rip 1 x8 risers to width and cut to length flush with the outside of the stringers.
29 3 9 66.
Double box steps are built using the same techniques as for a single step.