Installation Guide
95
RAILING
TREX
®
 SIGNATURE™ RAILING
HOW TO INSTALL HORIZONTAL RAILING CROSSOVER POST TO 
CROSSOVER POST/CONTINUED 
TREX
®
 SIGNATURE™
2
1/4"
(0.6 cm)
1/4"
(0.6 cm)
1/4"
(0.6 cm)
1/4"
(0.6 cm)
KEY
Mark
Cut
KEY
Bottom rail
3
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
Bottom rail
1-1/2"
(3.8 cm)
1-1/2"
(3.8 cm)
4
Bottom rail
Bottom 
rail cover
Cutting Bottom Rail and Bottom Rail Cover ONLY  
2.   Cut each end of bottom rail 1/4" (0.6 cm) shorter 
than mark on each end to allow for fit into bottom 
rail brackets.
3.   Slide rail insert out and cut 3/4" (1.9 cm) FROM 
EACH SIDE of insert, then slide back inside rail 
and center.
4. Mark and cut bottom 
rail cover 1-1/2" 
(3.8 cm) shorter than 
bottom rail.
Cutting Top Rail 
5.  Cut each end of top rail 3/4" (1.9 cm) LONGER than 
the mark to allow for fit into the crossover post 
bracket on each side.
Cutting Top Rail Insert and Cover
6.   Slide rail insert out and cut 3/4" (1.9 cm) FROM 
EACH SIDE of insert, then slide back inside rail 
and center.
7.   Mark and cut top rail 
cover same length as 
top rail for all top rail 
configurations.
7
5
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
KEY
Mark
Cut
KEY
Top rail
Crossover post
 Crossover post
6
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
3/4 "
(1.9 cm)
Top rail
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