TREX SIGNATURE® X-SERIES™ POSTS Installation Instructions for Pressure-Treated Wood Framing
INSTALLING X-SERIES POSTS ON PRESSURE-TREATED WOOD FRAMING/ CONTINUED
Installing Blocking on Straight Runs
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Cross bracing frame
Cross bracing frame
3. Install (2) 2" x 8" cross bracing frames in between joists at 7-1/4". Attach using a total of (12) 3" pressure-treated compatible wood screws.
7. Set post aside and drill through decking and blocking using same 9/16" drill bit.
Blocking boards
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8. Attach posts using (4) 1/2" x 6" hex bolts, washers, and tee nuts. Be sure to place washers in correct location as shown. IMPORTANT: Thread tee nut onto bolt until flush with end of bolt as shown.
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4. Install (2) 2" x 8" boards as blocking under post location. Securely attach blocking using a total of (24) 3" pressure- treated compatible wood screws. Mounting Posts to Blocking
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9. Hammer tee nut into blocking until teeth fully engage with blocking. Be sure to hammer the tee nut and not the bolt itself. 10. Using an impact driver with 3/4" socket, fully tighten bolts until post is secure. Do not push down on bolt while tightening. Use a level on sides of post to ensure post is plumb.
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Blocking
5. Determine edge of framing and measure in minimum 1" from this location. If measuring from corner, ensure 1" from each edge as shown (left image above: deck boards removed for clarity).
Tip: Slide corner covers up for easier access when installing bolts. 11. Install bolt caps. Align hex shadow line on inner cap with bolt head and snap into place; then push outer cap onto inner cap. Note: Post cap is to be installed after railing of choice is completed.
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6. Using post as template,
mark location of holes for mounting bolts using 9/16" drill bit (long bit will be required).
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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
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