TREX ® SIGNATURE ® POSTS Installation Instructions for Pressure-treated Wood Framing and Concrete
INSTALLING TREX SIGNATURE POSTS AND/OR TREX SIGNATURE CROSSOVER POSTS ON WOOD IMPORTANT NOTES: » E ACH POST MUST BE ATTACHED AS SHOWN TO ENSURE A CODE COMPLIANT AND SAFE INSTALLATION. 2 Blocking boards
» 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
2. Install two 2" x 8" (51 mm x 203 mm) boards as block- ing under post location. Securely attach blocking using a total of twenty-four 3" (76 mm) pressure-treated com- patible 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.
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" (51 mm x 203 mm) pressure-treated Southern Yellow Pine or equivalent » Qty: 36 (per post) – 3" pressure-treated compatible wood screws Code Approved Post Applications
Line Post Installation
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Cross bracing frame
2.5" (64 mm)
POST SIZE
2.5" (64 mm)
Cross bracing frame
2.5 x 2.5 (64 mm x 64 mm) Post (IRC)
< 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)
3. Install two 2" x 8" (51 mm x 203 mm) 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) .
2" x 8" Pressure-treated Cross bracing frame
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Blocking boards
1. Install 2 " x 8 " (51 mm x 203 mm) 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" (51 mm x 203 mm) 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-0124
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.)
10b
10b. 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. Drill through decking and blocking boards using 5/8" diameter bit (long drill bit will be required).
7. Insert (2) stainless steel barrier strips (not provided) under the mounting bolt holes. BARRIER STRIPS ARE REQUIRED ONLY IF ATTACHING POST DIRECTLY TO PRESSURE- TREATED FRAMING (these can be purchased on ShopTrex.com). 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 8. Attach posts using four
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3/8" (10 mm)
barrier
Pre-drill Hole 1. Using 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. Clean out holes to remove all concrete dust using a shop vacuum or other appropriate tool.
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required hardware and aluminum plate. (Consult local code official for more information on IRC Compliance.) INSTALLING PRESSURE-TREATED POSTS, POST SLEEVES, AND SKIRTS TO USE WITH TREX SIGNATURE RAILING 9. NOTE: PLEASE REFER TO LOCAL BUILDING CODE REQUIREMENTS PRIOR TO ATTACHING PRESSURE TREATED POSTS. 10a. If using a 1-piece skirt, slide post sleeve skirt over post and down to rest 10a
barrier
3. Insert (2) stainless steel barrier strips (not provided) under mounting bolt holes (these can be purchased on ShopTrex.com). Use appropriate 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.
on decking surface. Slide post sleeve over post and position inside post sleeve skirt.
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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-0618 TR-SIGN-POS-0124
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