Installation Guide
89
TREX
®
 SIGNATURE™ RAILING
10.  Set bottom rail into bottom brackets. Tabs on 
brackets will be inside of bottom rail (not shown 
when railing is attached). To ensure fit into tab, 
measure and mark 1/2" (1.3 cm) out from side 
of post.
11.   Attach bottom rail to bottom bracket by fastening 
through marked measurement on top of rail into 
tab on bottom bracket using one self-tapping screw 
each side (provided). 
NOTE: Pre-drilling is required (7/64" [0.28 cm] 
drill bit) for attachment of railing to bracket. 
Installing Remaining Balusters into Bottom Rail
12. Place remaining balusters into holes in lower  
rail by snapping fully into place. In some cases,  
GENTLE tapping with a rubber mallet may  
facilitate fastening.
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. 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 
required (7/64" [0.28 cm] 
drill bit) for attachment of railing to bracket.
15. 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. GENTLE tapping with a 
rubber mallet may facilitate fastening.
1/2"
(1.3 cm)
1/2"
(1.3 cm)
10
2
1
2
11
1
7/64"
(.28 cm)
7/64"
(.28 cm)
12
HOW TO INSTALL HORIZONTAL RAILING POST TO POST/CONTINUED 
TREX
®
 SIGNATURE™
2
14
1
7/64"
(.28 cm)
7/64"
(.28 cm)
1
1
13
2
1
15
3
2










