Therefore if you anchor the stairs of an attached deck to a cement pad it must have footings under it to the frost line like any of the other deck footings.
Concrete pad for deck stairs.
After setting and filling the form screed the concrete flush with the top of the form and trowel it smooth.
A typical pad has a 4 inch layer of gravel underneath and about 4 inches of concrete on top.
By installing a concrete landing you not only provide a very strong base for the bottom of the stairs but you also help to reduce the load requirement for a posts pr beams that are attached to stringers on the stairs.
Always follow building codes when installing.
Once the pad has cured the stairs from the landing can be built.
Attaching deck stairs to footings one of the easiest ways to attach deck stair footings to concrete is through the base plate.
Concrete landing a concrete landing is the most permanent and stable solution for your deck stair landing.
Attach the short stringers to a 2x nailer bolted to the pad.
You have many choices you can attach your step stringers to your rim joist of the deck with a header and then use a ground contact rated pressure treated footer at the bottom or you can go an additional step and pour a pad at the bottom of your steps and attach your post and stringers there.
A concrete pad is formed to terminate the two tread run from the landing above.
When building a landing for deck stairs typical codes require the pad to extend beyond the steps about 36 inches behind the steps about 12 inches and on the sides of the steps about 6 inches.
Here we will be installing a concrete pad.