Add decking on top of your frame.
Build 2 step deck stairs.
Build your bottom step twice as wide as a single step.
Double box steps are built using the same techniques as for a single step.
But in this story we ll make it easy by showing you how to estimate step dimensions layout and cut stair stringers and assemble the stair parts.
Add in a little bit of elbow grease and the proper tools and equipment and you can safely and easily build and use your own deck stairs in no time.
To build deck stairs that are safe and satisfy local building codes start by using the right materials and taking accurate measurements.
7 long with balusters pine lumber common nails and stainless steel fasteners.
This deck already has wood decking and deck railings installed.
Build your top step as you would for a single step.
For each stair cut 10 treads from 2 x 10 lumber and 7 risers from osb sheets.
2 use 4 foot level and tape measure to find the total rise of the staircase.
Item unit cost quantity line cost.
Common nails and stainless steel fasteners.
The building codes that california uses are based on those found in the uniform building code or ubc instituted in 1927.
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.
You will need one box for each step.
A stringer is a wide board usually a 2x12 that runs at an angle from the landing pad to the deck framing and supports the treads.
They rest on a solid foundation and are attached to the deck with hangers.
1 determine the width of each stair tread.
Learn the details in how to build a deck.
Douglas fir stringers 3.
Stair treads are the horizontal boards that you step on.
36 long x 12 deep x 12 wide mixed.
4 set framing square and straightedge to height of riser and width of stair tread.
3 divide total rise by number of steps to find height of each riser.
Cut three stair stringers from 2 x 12 lumber to accommodate a 3 1 2 stair height.
Deck stairs are typically made from 2 x 12 stringers spaced about 12 to 16 inches apart.
Wood decking and railings.
Fasten the two frames together with the back framing members flush with each other.
Stair treads may be made of a single 2x12 but are often made of two decking boards or 2x6s.
Pine step 36 wide x 12 deep and riser boards 7 1 2 tall.