Installation Guide
149
SELECT RAILING
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
HOW TO INSTALL ON-AN-ANGLE RAILING 
TREX SELECT 
NOTE: Brackets are designed to be installed up to a 
45° angle.
Both 4" x 4" (102 mm x  
102 mm) or 6" x 6" 
(152 mm x 152 mm) post 
sleeves work well for angles 
up to 45 degrees. Bottom 
rail brackets may need to 
be slightly offset to one 
side in order to fit properly 
to hold rail in place. Before 
attaching bracket to rail, 
measure and mark to ensure bottom rail remains parallel 
to upper rail.
4 x 4 OR 6 x 6
Post Sleeve
4 x 4
Post Sleeve
6 x 6
Post Sleeve
7.   Secure 2" x 4" (51 mm 
x 102 mm) to Select 
top rail with 3/4" screw 
provided approx. every 
16" on center. Screws are 
to be installed inside of 
the baluster holes into 
the decking board. 
NOTES: 
» 
DO NOT overtighten. Note that a long drill bit will 
  be required to fit inside the baluster holes.
» 
  If installing 8' rail section and using Aluminum Rail 
Stiffener, predrilling will be required through the 
stiffener.
8.  Assembling Railing Sections
  See instructions on page 145.
9.  Installing Railing Sections to Posts
  See instructions on page 146.
1 0 .   Attaching 2x4 to Posts
   Pre-drill a pilot hole 
and toenail 2-1/2" 
(64 mm) screw at each 
end of 2" x 4" (51 mm 
x 102 mm) into post on 
back side of rail (side 
not facing decking). 
11.   
Attaching Post Caps 
and Installing 
Foot Block
  Secure post caps with silicone or PVC adhesive. 
  Attach foot block per foot block instructions.
HOW TO INSTALL TREX TRADITIONAL RAILING/CONTINUED 
TREX SELECT
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