Installation Guide
147
SELECT RAILING
HOW TO INSTALL COCKTAIL RAILING
TREX SELECT 
Important: ON LY use for use with pressure-treated 
4x4 post (3.5" nominal square) and 4" x 4" (102 mm x 
102 mm) post sleeve. Trex Post Mounts or Joist Mount 
Posts cannot be used with Select Cocktail railing.
1.   Installing Pressure-Treated Posts, Post Sleeve 
Skirts and Post Sleeves  
See instructions on page 145.
Cutting Post and Post Sleeve
1a. Mark and cut post and 
post sleeve measuring 
from deck surface:
  » 36-1/8" (918 mm) for 
36" (914 mm) height.
  » 42-1/8" (1070 mm) for 
42" (1067 mm) height.
4.   Cutting Railings  
See instructions on page 
145.
5.  Attaching Foot Block to Bottom Railing
  See instructions on page 145.
NOTES:
» 
 Leave 1/8" (3 mm) gap between deck boards.
» 
 Deck boards can overhang end of last post
maximum 1/2" (13 mm).
Cutting Deck Board 
6.   Cut deck boards to appropriate length of railing 
span, remembering to include extra space on each 
side of the deck board to allow for attachment to 
the post. Decking boards must cover 1/2 of the 
pressure-treated post to allow this to be 
fastened later.
7.   Place inverted deck 
board (top side of deck 
board face down) on 
clean, flat surface. 
(DO NOT use Enhance 
scalloped profile or 
Escapes deck boards 
for top rail).
Attaching Deck Board to Select Top Rail
8.   Place inverted Select top rail (orient properly 
so baluster holes are 
shown top side up), 
on the deck board, 
centered in both 
directions to allow final 
attachment to post.
36-1/8"
(918 mm)
or
42-1/8"
(1070 mm)
36-1/8"
(918 mm)
or
42-1/8"
(1070 mm)
1a
6
8
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