Project Guide

How to Replace a Deck Railing

1
REMOVE THE DAMAGED RAILING
Remove damaged railing  - Replacing a Deck Railing
  • Mark the rail position on the posts, and remove the damaged railing.
  • Position the new rail against the inside of the stairway posts.
  • Align the rail with the top rear corner of the top post and with the mark on the lower post.
  • Have a helper attach the rail temporarily with deck screws.
2
ATTACH THE RAILS
Attach the rails  - Replacing a Deck Railing

Join lumber for long rails by cutting the ends at 45-degree angles.

Drill 1/16-inch pilot holes to prevent the nails from splitting the end grain, and attach the rails with 16d (3 1/2-inch) galvanized nails.


Tip: Screws may split the mitered ends.

3
ATTACH RAILS TO THE STAIRWAY POSTS
Attach rails stairway posts  - Replacing a Deck Railing

Attach the ends of the rails to stairway posts flush with the edges of the posts.

Drill 1/8-inch pilot holes, and attach the rails with 2-inch deck screws.

4
POSITION THE CAP
Position cap inside rail - Replacing a Deck Railing
  • Position the cap so the edge is flush with the inside edge of the rail.
  • Drill 1/8-inch pilot holes, and attach the cap to the rail with 2 1/2-inch deck screws driven every 12 inches.
  • Drive the screws into each post.
  • Bevel the ends at 45-degree angles.
  • Drill 1/8-inch pilot holes, and attach to the post using 16d galvanized nails.
5
MITER THE RAILING & ATTACH THE CAP
Miter the end post - Replacing a Deck Railing

At corners, miter the ends of the railing cap at 45-degree angles.

Drill 1/8-inch pilot holes and attach the cap to the post with 2 1/2-inch deck screws.

6
ATTACH THE CAP
Attach the cap - Replacing a Deck Railing

At the top of stairs, cut the cap so that it is flush with the stairway rail.

Drill 1/8-inch pilot holes, and attach the cap with 2 1/2-inch deck screws.