Installation Guide
99
SIGNATURE RAILING
ATTACHING STAIR BRACKETS (FIXED STAIR, STAIR SWIVEL, AND 
COMPOUND SWIVEL) TO SIGNATURE POSTS AND PRESSURE-
TREATED POST AND POST SLEEVES/
CONTINUED
TREX SIGNATURE
Cutting Top Stair Rail and Rail Insert
Option 3:
For Stair-Crossover-Post-to-Stair-Crossover-Post 
Configuration
12a.  Cut each end of the top stair rail along with rail 
insert on the mark line to allow for fi t into the 
crossover post bracket on each side.
Cutting Top Stair Rail Cover, and Attachment of 
Top Stair Rail Cover
13.   Mark and cut top rail 
cover same length as 
top rail for all top rail 
confi gurations.
14. Attach “crowned” upper stair rail cover to upper 
stair rail by aligning cover on one side of rail. Then 
starting from one end of stair rail, snap cover onto 
opposing slot working down length of stair rail. A 
rubber mallet may facilitate the fastening using 
GENTLE tapping.
Installing Balusters into Bottom Stair Rail
15.   Place balusters into 
holes in lower stair rail 
by snapping fully into 
place. In some cases, 
a rubber mallet may 
facilitate the fastening 
using GENTLE
tapping. 
1
14
3
2
15
13
12a
KEY
Mark
Cut
KEY
Top stair rail
Crossover post
 Crossover post










