TREX SIGNATURE® X-SERIES™ STAIR CABLE RAIL Installation Instructions
PLANNING AHEAD: » P LEASE READ ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION. USE ALL REQUIRED PARTS WHERE SPECIFIED. TWO PEOPLE ARE RECOMMENDED FOR THIS INSTALLATION. » X -SERIES ANCHOR POSTS MUST BE USED AT ALL STAIR POST LOCATIONS. DO NOT USE PASS-THROUGH POSTS. FOR 36" RAIL HEIGHT, USE 43" X-SERIES POSTS; FOR 42" RAIL HEIGHT, USE 53" X-SERIES POSTS. » F OR A 6' STAIR RAIL, POST TO POST SPAN WILL BE LESS THAN 6'. PRIOR TO INSTALLING STAIR POSTS, CALCULATE POST-TO-POST SPAN USING THE MAXIMUM STAIR RAIL LENGTH REQUIRED AND THE ANGLE (32°-37°) AT WHICH THE STAIR RAILS WILL BE INSTALLED. DO NOT INSTALL STAIR POSTS AT 6' HORIZONTAL SPAN, AS STAIR RAILS WILL THEN BE TOO SHORT. » X -SERIES STAIR CABLE RAIL IS ONLY COMPATIBLE WITH X-SERIES ANCHOR POSTS. IT CANNOT BE USED WITH STANDARD SIGNATURE POSTS OR PRESSURE-TREATED POSTS/POST SLEEVES. » M INIMUM SPAN BETWEEN ANCHOR POSTS IS 12". » INSTALL CABLE INFILL ADAPTERS WITH SHORT AND LONG CABLES INTO ALL ANCHOR POSTS UP FRONT (OR AT LEAST ON ADJACENT SECTION). CUT AND DRY FIT CABLE INFILL ADAPTERS. MAKE SURE ALL SIDES OF ANCHOR POSTS ARE FILLED WITH EITHER A SIDE COVER OR CABLE INFILL ADAPTER BEFORE PROCEEDING TO NEXT STEPS. USE TAPE OR POST CAP TO SECURE ALL CORNER COVERS/SIDE COVERS/CABLE INFILL ADAPTERS AFTER INSTALLING CABLE INFILL ADAPTERS. » H AND-TIGHTEN CABLES ONLY (AT MOST) UNTIL CABLES HAVE BEEN INSTALLED ON ALL SECTIONS. TENSION CABLES ON ALL SECTIONS AS FINAL STEP. » IF THE SPAN BETWEEN X-SERIES POSTS IS 3' OR LESS, A CABLE BRACE IS NOT REQUIRED.
6' Stair Cable Rail Configuration » (2) X-Series Anchor Posts (sold separately) » (1) 6' Top Rail » (2) Compound Swivel Bracket Packs (1) Compound Swivel Bracket (1) Screw Pack (1) Top Rail Locking Assembly » (2) Cable Infill Adapters Tools Required: • Please wear safety glasses during installation. • Note that tools are NOT included unless otherwise specified. – WD-40 Specialist® Corrosion Inhibitor ( RECOMMENDED for saltwater environments) – Min 18V drill – Min 18V impact driver (post install only) – Clamp – Tape measure – 3/4" socket – Hammer
– Level – 9/16" drill bit – 9/64" drill bit – Cable cutters
– 5/32" Allen wrench – 3/32" Allen wrench – T-20 drive bit – Cable tension gauge
– Turnbuckle wrench (included) – Adjustable wrench (if needed) WD-40 Specialist® Corrosion Inhibitor is a registered trademark of WD-40 Company.
» (1) Cable Brace (w/ set screws included) » (1) Turnbuckle Wrench » 6' Cable Assemblies
(Qty 11 for 36” height) (Qty 13 for 42” height)
NOTE: Install X-Series Anchor Posts as per instructions provided with these posts, then proceed to instructions below. Ensure that the stair posts are installed close to the nose of the stair tread.
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Have Questions? 1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting: trex.com NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting: trex.com
XSSTC-0725 XSSTC-0725
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