Installation Guide
151
SELECT RAILING
HOW TO INSTALL TREX SELECT STAIR RAILING/CONTINUED 
TREX SELECT
Attaching Foot Block to Bottom Stair Rail
4. Invert the bottom stair 
rail. Center and drill a 
hole using a 3/16" 
(5 mm) drill bit. This 
will be location for foot 
block (to be installed 
last).
Attachment of Brackets to Railings 
5a.   Check fit for both 
top and bottom 
railings in designated 
positions for location 
onto posts. Remove 
railings.
Upper Stair Post Locations 
5b.   Snap the top stair 
adaptor bracket 
(labeled TOP) to the 
standard bracket. 
Repeat for remaining 
bracket.
5c.   On the TOP RAIL, attach the assembled top stair 
bracket to the side with baluster holes. On the 
BOTTOM RAIL, attach the assembled top stair 
bracket to the OPPOSITE SIDE of the baluster 
holes. Attach both brackets using three #8-18 x 1" 
self-drilling screws (provided).
Lower Stair Post Locations  
5d.   Snap the bottom 
stair adaptor bracket 
(labeled BOTTOM) to 
the standard bracket. 
Repeat for remaining 
bracket.
5e.   On the TOP RAIL, attach the assembled bottom 
stair bracket to the side with baluster holes. On 
the BOTTOM RAIL, attach the assembled bottom 
stair bracket to the OPPOSITE SIDE of the baluster 
holes. Attach both brackets using three #8-18 x 1" 
self-drilling screws (provided).
4
5a
5d
1
1
5c
Top Rail Bottom RailBottom Rail
22
5b
1
1
5e
Top RailTop Rail Bottom RailBottom Rail
22










