Installation Guide
100
SIGNATURE RAILING
100
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
ATTACHING STAIR BRACKETS (FIXED STAIR, STAIR SWIVEL, AND 
COMPOUND SWIVEL) TO SIGNATURE POSTS AND PRESSURE-
TREATED POST AND POST SLEEVES/
CONTINUED
TREX SIGNATURE
Attaching Upper Stair Rails
16.   Working from one end 
of upper stair rail, snap 
balusters into upper 
stair rail working down 
length of rail. 
17a. For stair post to post 
confi guration, attach 
top stair rail to top 
stair bracket (all types) 
using two self-tapping 
screws (provided)
on each side of stair 
bracket.
17b. For stair crossover 
post confi guration, 
fasten upper stair rail 
to swivel crossover 
post bracket by 
installing screws 
diagonally through 
crossover stair 
bracket into upper rail 
using two self-tapping 
screws (provided) on each side.
NOTE: Pre-drilling is recommended (7/64” 
[0.28 cm] drill bit) for attachment of stair railing 
to stair bracket.
Attachment of Stair Bracket Covers, Skirts, 
and Caps
18.  Attach corresponding bracket covers over opening 
in upper and bottom rails.
19.  Attach provided post skirt to bottom of posts when 
using Signature posts.
20. Attach post caps to Signature posts (use of rubber 
mallet may be required for secure attachment).
21.  Attach post caps to post sleeves using external 
grade PVC construction adhesive.
20
Reveal
post
2
21
Post
sleeve
3
1
17a
17b
1
2
18
1
19
Reveal
post
2
16










