Measuring and Cutting Top Rail
Inserting Brackets onto Top Rail
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9. Slide compound swivel brackets into top and bottom X-Series Anchor Posts.
11. After removing compound swivel brackets from X-Series Anchor Posts, insert brackets onto top rail as shown. Ensure that brackets are fully seated.
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Pre-Drilling Top Rail at Bracket Locations
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X
12. Using a 9/64” drill bit, pre-drill at all bracket locations as shown.
Note: Only pre-drill through the first layer of the rail and bracket.
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13. Install #8 x 1/2" screw into compound swivel bracket at top post location only.
Cut Length = X + 5/8"
10. Clamp top rail to side of X-Series Anchor Posts, ensuring that top rail is running parallel to the stairs. Adjust each compound swivel bracket to align with direction of top rail and hand-tighten screws using a 5/32" Allen wrench to temporarily stabilize the brackets. Measure between the brackets as shown, add 5/8" and cut top rail to this length.
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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
XSSTC-0725
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