Installation Guide
110
TREX
®
 SIGNATURE™ RAILING
Attaching Upper Stair Rails
16. Working from one end 
of upper stair rail, snap 
balusters into upper stair 
rail working down length 
of rail. 
17. Attach top stair rail 
to top stair bracket 
(all types) using two 
self-tapping screws 
(provided) on each side 
of stair bracket.
NOTE: Pre-drilling is 
required (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 Trex
®
Signature™ posts.
20. Attach post caps to Trex
®
 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
Trex 
Signature™
post
®
2
21
Post
sleeve
3
1
17
1
2
18
1
19
Trex 
Signature™
post
®
2
16
ATTACHING FIXED STAIR BRACKETS AND RAILS TO TREX
®
SIGNATURE™ POSTS AND PRESSURE-TREATED POST AND POST 
SLEEVES/
CONTINUED
TREX
®
 SIGNATURE™
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.










