Installation Guide
82
SIGNATURE RAILING
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
Attach Upper Railings
13. Working from one end of upper rail, snap balusters 
into upper rail working down length of rail. Fasten 
center baluster into center slot using two #8 x 1-1/4"
(3.2 cm) screws (provided).
14. For post-to-post 
confi guration, fasten 
upper rail to each 
bracket by installing 
screws diagonally 
through upper rail into 
bracket using two self-
tapping screws each 
side (provided).
NOTE: Pre-drilling is recommended (7/64" [0.28 cm] 
drill bit) for attachment of railing to bracket.
15. For crossover post 
confi guration, fasten 
upper rail to crossover 
post by installing 
screws diagonally 
through upper rail
 into post using two 
self-tapping screws 
each side (provided). 
NOTE: Pre-drilling is recommended (7/64" [0.28 cm] 
drill bit) for attachment of railing to post.
16.  Attach “crowned” upper rail cover to upper rail 
by aligning cover on one side of rail. Then starting 
from one end of rail, snap cover onto opposing slot 
working down length of rail. A rubber mallet may 
facilitate the fastening using GENTLE tapping.
HOW TO INSTALL HORIZONTAL RAILING/CONTINUED
TREX SIGNATURE
STANDARD
1
16
3
2
2
15
1
7/64"
(.28 cm)
7/64"
(.28 cm)
2
14
1
7/64"
(.28 cm)
7/64"
(.28 cm)
1
1
13
2










