How to install deck stair railings guardrails must be provided on the open side of a stair where it is more than 30 above the floor or grade.
Building a deck stair railing.
Topics include inside vs.
To learn how to mount the posts on the on the inside of the rim joists see how to build a deck.
Measure relative to an existing deck structure for the most accuracy.
Or more above grade.
Most building codes require deck railings to be between 36 inches 91 cm and 42 inches 110 cm high.
An important step in building deck step railing is to stiffen up posts at the bottom of outdoor stairs or deck railings by bolting them on three sides.
You ll need enough length hanging below the surface of the deck to attach the posts securely to the supports.
They rest on a solid foundation and are attached to the deck with hangers.
The railing posts for this deck are cut from 4 x 4 lumber.
Sturdy deck railings are an important safety feature for raised decks and are required by code for any deck 30 in.
Deck stairs are typically made from 2 x 12 stringers spaced about 12 to 16 inches apart.
Building codes define the minimum height and strength of the railing system as well as the size of gaps in the railing they must be small enough that a small child cannot slip through.
Before building and installing deck stair railings we have to attach the deck posts on the deck surface.
The posts extra height above the railing is just for looks.
Mount posts on the inside of the rim joist if you plan to upgrade to vinyl railings later.
After building the main deck platform locate the footings for the stair landings and pad.
Composite decking and railings.
Outside mounted rails rail post attachment baluster spac.
Start by dividing the spacing of the posts to create equal distances for each rail section.
Learn the details in how to build a deck.
An inch or two higher than the railing will look nice.
This deck already has wood decking and deck railings installed.
The bottom post is the toughest post to make solid when you build outdoor stair railings.
Wood decking and railings.
Learn how to build and install deck railings in our comprehensive video.
Stair rails must be at least 34 high measured from the nosing of the stair treads.