Installation Guide

DESIGNER RAILING

Installing Top Rail RSBs on Upper and Lower

Posts

6. Determine height of top rail from bottom rail and

while holding top rail in place, and parallel to bottom

rail, mark posts where underside of rail intersects.

7. Follow Steps 4-5 to install top rail RSBs on upper

and lower posts.

Measuring and Cutting Balusters

8. Measure and cut balusters to proper height and

angle of stairs.

Assembling Rails with Baluster

9. Insert and space balusters in top rails, then align

bottom rails at parallel angle to top rails with

balusters spaced the same and in contact with

bottom rail lip.

NOTE: Maximum spacing is 5" (12.7 cm) on center or

3-5/8" (9.2 cm) between balusters.

Securing Balusters to Top and Bottom Rail

10. Secure balusters to top rail with 2" (5.1 cm)

16 gauge ﬁnishing nails through side of rail. Secure

balusters to bottom rail with 2" (5.1 cm) ﬁnishing

nails through underside of bottom rail.

Attaching Foot Blocks

11. Measure and determine angle to cut foot blocks.

Secure with 2" (5.1 cm) 16 gauge ﬁnishing nails

through side of bottom rail.

NOTE: 2" (5.1 cm) screws can also be used. Pre-drilling

would be required.

NOTE: Foot blocks are required every 18" (45.7 cm).

HOW TO INSTALL STANDARD STAIR RAILING/CONTINUED

TREX DESIGNER SERIES

3-5/8"

(9.2 cm)

18"

(45.7 cm)