Trex Signature post installation instructions for pressure-treated wood framing and concrete with detailed guidelines for professional installation.
TREX SIGNATURE ® POSTS Installation Instructions for Pressure-treated Wood Framing and Concrete
IMPORTANT NOTES: » E ACH POST MUST BE ATTACHED AS SHOWN TO ENSURE A CODE COMPLIANT AND SAFE INSTALLATION. » TREX SIGNATURE POSTS CANNOT BE USED WITH TRADITIONAL OR COCKTAIL DESIGNS, ONLY PRESSURE TREATED POST/POST SLEEVES CAN BE USED. REFER TO DETAILED INSTRUCTIONS FOR MORE INFORMATION. » 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 Signature posts on ACQ, CCA or concrete surfaces, use an appropriate isolation barrier between post and surface (contact local building code official if needed). » All Trex Signature stair installations require the use of a 53" (1346 mm) stair post, measured and cut to appropriate length if necessary. » If crossover stair post is required, use stair post (again cut to appropriate
IMPORTANT–IF INSTALLING TREX LIGHTING, SCAN QR CODE TO OBTAIN ADDITIONAL STEPS BEFORE ATTACHING POST TO FRAMING.
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Blocking boards
length if necessary) and use swivel crossover bracket. » If installing on concrete, make sure all surfaces are level.
» In areas of extreme cold/cold weather conditions (ex. ice/snow) its recommended to drill a small weephole at the base of the post (can be hidden under post skirt) to allow for water drainage.
TOOLS AND MATERIALS NEEDED » Drill and/or screw gun (hammer drill for concrete) » 1/2" (13 mm) drill bit for wood, 3/8" (10 mm) drill bit for concrete » B locking – 2 x 8 pressure-treated Southern Yellow Pine or equivalent » Qty: 36 (per post) – 3" pressure-treated compatible wood screws Code Approved Post Applications
2. Install two 2 x 8 boards as blocking under post location. Securely attach blocking using a total of twenty-four 3" (76 mm) 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.
2.5" (64 mm)
POST SIZE
Line Post Installation
2.5" (64 mm)
< 30" height decking Acceptable (Code Approval not Applicable) IRC Compliant Yes IBC Compliant No Installing Signature Posts and/or Signature Crossover Posts on Pressure-treated Wood Framing (Corner Post Installation) 2.5 x 2.5 (64 mm x 64 mm) Post (IRC)
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Cross bracing frame
Cross bracing frame
2 x 8 Pressure-treated Cross bracing frame
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3. Install two 2 x 8 cross bracing frames in between joists at 7-1/4" (184 mm). Attach a total of twelve 3" (76 mm) pressure-treated compatible screws (not provided) .
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Blocking boards
1. Install 2 x 8 cross bracing frame in between joists at 7-1/4 " (184 mm). Attach a total of twelve 3 " (76 mm) pressure-treated compatible screws (not provided) .
4. Install two 2 x 8 boards as blocking under post location. Securely attach blocking using a total of twenty-four 3" (76 mm) pressure- treated compatible screws (not provided) .
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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
TR-SIGN-POS-0826
TREX SIGNATURE ® POSTS Installation Instructions for Pressure-treated Wood Framing and Concrete
INSTALLING TREX SIGNATURE POSTS AND/OR SIGNATURE CROSSOVER POSTS ON WOOD/ CONT NOTES: » Metal backplate is only required for 2.5" (64 mm) post in IRC installations. (Consult local code official for more information.)
9b
9b. If using a two-piece skirt Slide post sleeve over post and down
to rest on decking surface. Snap two piece skirt over post sleeve.
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NOTE: Shims can be used to plumb post sleeves. INSTALLING TREX SIGNATURE POSTS ON CONCRETE
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5. Using post a template, mark locations of holes. 6. D rill through decking and blocking boards using 5/8" diameter bit (long drill bit will be required).
7. A ttach posts using four
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3/8" (10 mm)
3/8" x 6" (10 mm x 152 mm) hex cap bolts, washers, and nuts, along with aluminum back plate on underside of blocking. If the project requires IRC compliance, this back plate MUST be installed under the decking to ensure this will meet code compliance. Reference SKU part number ALPOSTHWDECK for
Pre-drill Hole 1. U sing post as a template, mark locations of the four holes and drill into concrete at least 2-5/8" (67 mm) using a 3/8" (10 mm) masonry bit. NOTE: You can either set drill bit to correct depth on drill or mark drill bit with tape at required dimension to ensure all holes are drilled at correct depth. 2. C lean out holes to remove all concrete dust using a shop vacuum or other appropriate tool.
required hardware and aluminum plate. (Consult local code official for more information on IRC Compliance.)
NOTE: If attaching post directly to pressure-treated wood, use a thin stainless steel or plastic barrier strip under the baseplate. INSTALLING PRESSURE-TREATED POSTS, POST SLEEVES, AND SKIRTS TO USE WITH TREX SIGNATURE RAILING 8. . NOTE: PLEASE REFER TO LOCAL BUILDING CODE REQUIREMENTS PRIOR TO ATTACHING PRESSURE TREATED POSTS.
barrier
9a. If using a 1-piece skirt,
9a
slide post sleeve skirt over post and down to rest on decking surface. Slide post sleeve over post and position inside post sleeve skirt.
3. Insert (2) stainless steel barrier strips (not provided) under mounting bolt holes. Use appropriate leveling shims if posts are not plumb. Secure posts using four TREX SUPPLIED 3/8" x 3-3/4" (10 mm x 95 mm) wedge anchors. Reference SKU part number ALPOSTHWCONC for required hardware (wedge anchors, washers, and nuts). NOTES: » When using hammer to tap anchors in place, keep threaded nut at top of anchor in order to not damage threads. » Recommended torque for anchors is 30 ft-lbs.
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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
TR-SIGN-POS-0826
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