TREX SELECT® ALUMINUM POSTS
IMPORTANT NOTES: » E ACH POST MUST BE ATTACHED AS SHOWN TO ENSURE A CODE COMPLIANT AND SAFE INSTALLATION. » ALWAYS refer to your local building code official prior to installing any railing system to ensure all code and safety requirements are met. Trex cannot be held responsible for improper or non-recommended installations. » W hen installing Trex Select Aluminum posts on ACQ surfaces, use an appropriate isolation barrier between post and surface (contact local building code official if needed). » All Trex Select Aluminum stair installations require the use of a 53" (134.6 cm) stair post, measured and cut to appropriate length if necessary.
TOOLS AND MATERIALS NEEDED » Drill and/or screw gun » 1/2" (1.3 cm) drill bit for wood » Blocking – 2 x 8 (5.1 cm x 20.3 cm) pressure-treated Southern Yellow Pine or equivalent » Q ty: 36 (per post) – 3" pressure-treated compatible wood screws
Line Post Installation
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Cross bracing frame
Cross bracing frame
Installing Select Aluminum Posts on Pressure- treated Wood Framing (Corner Post Installation)
2 x 8 Pressure-treated Cross bracing frame
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3. Install two 2 x 8 (5.1 cm x 20.3 cm) cross bracing frames in between joists at 7-1/4" (18.4 cm). Attach a total of twelve 3" (7.6 cm) pressure-treated compatible screws (not provided) .
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Blocking boards
1. Install 2 x 8 (5.1 cm x 20.3 cm) cross bracing frame in between joists at 7-1/4 " (18.4 cm). Attach a total of twelve 3 " (7.6 cm) pressure-treated compatible screws (not provided) .
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Blocking boards
4. Install two 2 x 8 (5.1 cm x 20.3 cm) boards as blocking under post location. Securely attach blocking using a total of twenty-four 3" (7.6 cm) pressure-treated compatible screws (not provided) . » Metal backplate is only required for 2.5" (6.4 cm) post in IRC installations. (Consult local code official for more information.)
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2. Install two 2 x 8 (5.1 cm x 20.3 cm) boards as blocking under post location. Securely attach blocking using a total of twenty-four 3" (7.6 cm) pressure-treated compatible screws (not provided).
NOTE: TO ENSURE THE BLOCKING IS FULLY SECURE, USE THE AMOUNT OF SCREWS indicated ABOVE.
TIP: Use two additional screws to "sandwich" blocking boards together for easier attachment to framing.
5. U sing post as a template, mark locations of holes. 6. Drill through decking and blocking boards using 5/8" diameter bit (long drill bit will be required).
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