Installation Guide
65
TRANSCEND RAILING
HOW TO INSTALL STANDARD RAILING 
TREX TRANSCEND
Read all instructions BEFORE installation.
Important: Post sleeves are NOT to be cut for this 
design style.
Installing Pressure-
Treated Posts
»   Posts are to be installed  
6' (1.83 m) or 8' 
(2.44 m) on center 
to accommodate 
appropriate railing length.
»   Attach posts using 1/2" 
(130 mm) carriage bolts.
» 
 Minimum joist size is 
2" x 8" (51 mm x 203 mm).
»   Top bolts must be 1" (25 
mm) from tops of joists.
»   Bottom bolts must be 5-1/8" (130 mm) from top 
bolts.
»   Bolts can be countersunk flush with framing to allow 
for fascia attachment.
NOTE: Blocking can be added for extra strength.
Installing Post Sleeve 
Skirts and Post Sleeves
2.  Slide post sleeve skirt 
over post and down to 
rest on decking surface. 
Slide post sleeve over 
post and position inside 
post sleeve skirt.
NOTE: Shims can be used to plumb post sleeves
.
Installing Railing Support Brackets (RSBs)
Option 1: Without Trex Express railing template 
3a. Mark 5-1/2" (140 mm) and 35-1/16" (891 mm) from 
   deck surface OR for 42" (1067 mm) height, mark 
  5-1/2" (140 mm) and 41-1/16" (1043 mm) from the 
  deck surface.
3b. Place RSBs directly under marks, center on posts,  
  and secure with 2" (51 mm) wood screws (provided 
  with post sleeve). Place top RSBs flat side up, 
  bottom RSBs flat side down.
Option 2: With TrexExpress railing template 
3c. Place RSBs in template. Place top RSBs flat side  
  UP, bottom RSBs flat side DOWN. Secure  
  template on post with tape or rubber band, with  
  bottom of template resting on post skirt. 
3d. Secure RSBs with 2" (51 mm) wood screws   
  (provided in railing kit) and remove template.
  NOTES: Special steps are necessary when using  
   6" x 6" (152 mm x 152 mm) plastic TrexExpress 
template.
»  Cut off 1/2" (13 mm) from the bottom (blue 
    arrows up) of the tool BEFORE first use.
  »  Position top RSBs ONLY, 6" (152 mm) higher for
    42" (1067 mm) rail height.
  »   Secure RSBs with 2-1/2" (64 mm) wood screws 
(provided with post sleeve) and remove template.
1
2
2
35-1/16\
(89.1 cm)
or
41-1/16\
(1043 mm)
35-1/16"
(891 mm)
or
41-1/16"
(1043 mm)
5-1/2
"
(140 mm)
5-1/2"
(140 mm)
3a
1
3
3b
4
2
1
5-1/8" (130 mm) min.
2" x 8"
(51 mm x 
203 mm)
min.
1" (25 mm) min.
3c
3
3
3d
2
1
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.










