Single board or two smaller boards for stair tread select.
Stair stringer board size.
Two boards 5 4x6 two boards 2x6 one board 2x12 deck joist size.
This video will provide you with a simple mathematic.
Outside frame flush.
I am building a set of stairs that is going to a platform that is only about 4 ft high.
Outside frame or flush frame select.
What size of wood do i need to build stair stringers.
I am about to trace them out on the wood and assumed that i should use 2x10 wood but i m second guessing myself and thinking maybe i should use 2x12 wood for the stringers.
Was this calculator helpful.
Lay a framing square flat on the board so that the horizontal blade aligns with the top edge of the board at the length of the tread and the vertical blade is aligned at the length of the riser.
Easy to use free stair calculator by ez stairs.
The stringers must be cut to fit the stair opening in length and in width with the riser cuts plumb and the tread cuts level when the stairs are in place.
Use a framing square to trace the stair pattern on your stringer board.