Installation Guide
98
RAILING
98
TREX
®
 SIGNATURE™ RAILING
IMPORTANT NOTE: 
» 
ONLY for use with pressure-treated 4 x 4 post (3.5" 
nominal square) and 4" x 4" (102 mm x 102 mm) post 
sleeve. Trex
®
 Signature™ posts, Trex post mounts 
or joist mount posts cannot be used with Trex
®
Signature™ Cocktail railing. Cutting post and post 
sleeve only apply to the Cocktail style railing.
 Installing Pressure-treated Posts, Post Sleeves,and 
Skirts to Use with Trex
®
 Signature™ Railing 
1a.  Attach posts using 1/2" 
(13 mm) carriage bolts.
» Minimum joist size is  
2" x 8" (51 mm x  
203 mm).
  » Top bolts must be 1" 
(25 mm) from top of 
joists.
  »  Bottom bolts must be 
5-1/8" (130 mm) from 
    top bolts.
NOTE: Blocking can be 
added for extra strength.
1b. 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.
Cutting Post and Post Sleeve  
2.     Mark and cut post and 
post sleeve measuring 
from deck surface:
    » 36-1/32" (915 mm) for 
36" (914 mm) height.
    » 42-1/32" (1068 mm) 
for 42" (1067 mm) 
height.
3.  
Installing Horizontal 
Fixed Brackets
  See instructions on page 86.
4. 
 Installing Horizontal Swivel Brackets
  See instructions on page 101.
5.  
Cutting Railings for Horizontal Fixed Brackets
  See instructions on page 87 - Post-to-Post, page 90 - 
  Post-to-Crossover Post, or page 94 - Crossover Post- 
  to-Crossover Post.
6.  Cutting Railings for Horizontal Swivel  B r a c k e t s
  See instructions on page 102.
7. 
Attaching Center Baluster to Bottom Rail
 See instructions on page 88 - Post-to-Post, page 92 - 
Post-to-Crossover Post, or page 98 - Crossover Post-to-
Crossover Post.
8.  Attaching Bottom Rail Cover and Bottom Rail to 
Brackets
 See instructions on page 88 - Post-to-Post, page 92 - 
Post-to-Crossover Post, or page 96 - Crossover Post-to-
Crossover Post.
9.  Installing Remaining Balusters into Bottom Rail
See instructions on page 89 - Post-to-Post, page 92 - 
   Post-to-Crossover Post, or page 96 - Crossover Post-to-
Crossover Post.
10. Attaching Top Rail and Top Rail Cover
  See instructions on page 89 - Post-to-Post, page 93- 
  Post-to- Crossover Post, or page 97 - Crossover Post-to- 
  Crossover Post.
NOTE: Top Bracket Covers are not attached in this 
configuration.
11. 
Attaching Deck Board to Top Rail
   Place deck boards  
(DO NOT use Enhance 
scalloped profile or 
Escapes deck boards 
for top rail) over top 
rails. Attach boards 
on each post with 
Trex-recommended 
composite screws 
(quantity of 2 per each 
board end). 
HOW TO INSTALL TREX
®
 SIGNATURE™ COCKTAIL RAILING
TREX
®
 SIGNATURE™
36-1/32"
(915 mm)
or
42-1/32"
(1068 mm)
36-1/32"
(915 mm)
or
42-1/32"
(1068 mm)
2
1
1
11
2
1
2
1b
1a
5-1/8" (130 mm) min.
2" x 8"
(51 mm x 
203 mm)
min.
1" (25 mm) min.
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.










