Installation Guide
80
TRANSCEND RAILING
HOW TO INSTALL CROWN AND UNIVERSAL STAIR RAILING/CONTINUED 
TREX TRANSCEND
®
2 1 .    F o r  LOWER post - 
install RSB FLAT SIDE 
UP BELOW MARKED 
LINE, using two wood 
screws provided. Take 
second RSB, turn upside 
down and interlock into 
bracket. 
Installing Inverted Top 
Baluster Spacer and Placing Balusters
22. Place inverted top baluster spacer on bottom rail 
rail/baluster spacer, ensuring that baluster holes line 
up parallel. Install balusters into lower stair rail. 
Attaching Top Stair Rail
23.  Place top stair rail on 
RSB’s in rail channel 
(ensuring balusters 
are also in channel of 
rail). Attach with 
3 self-tapping screws 
provided. Use the 
three outer holes in 
RSB to attach screws.
NOTE: If a railing 
configuration other than 
Crown railing is installed 
(as shown above), refer to other Railing Configurations 
in Horizontal sections for additional requirements.
24.  Slide baluster spacer up 
and snap into top rail. 
Attaching Optional 
Gaskets
25. Stair railing gaskets are 
designed to fit at slopes 
of 32° to 37°. Gaskets 
are labeled in order to 
ensure correct location.
Attaching Post Caps and 
Installing Foot Block 
26.  Secure post caps 
with silicone or PVC 
adhesive. Attach foot 
block per foot block 
instructions.
NOTE: Clean-up any excess 
adhesive before it dries.
3
3
1
22
3
1
21
2
1
23
22
Upper Post 
Location - 
Top Rail
(view from 
under rail)
(view from 
under rail)
Lower Post 
Location - 
Top Rail
Universal Rail
Stair Gasket
Locations
STR T2 B1
STR T1 B2
STR T1 B2
STR T2 B1
2
26
3
1
24
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.










