TREX SIGNATURE® X-SERIES™ STAIR CABLE RAIL Installation Instructions
Measuring and Marking X-Series Anchor Posts
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1
Short Run
String
1. Run a string line from the front face of the bottom X-Series Anchor Post to the back face of the topmost X-Series Anchor Post, ensuring that the string line touches the stair tread nose closest to each post. If applicable, string line will run across multiple X-Series Anchor Posts for long stair runs.
Long Run
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3. Measure up from top of baseplate to stringline at each post location as shown.
Top Post
Bottom Post
4. A dd 7/8” to each measurement taken above and document this dimension at each post location to establish the bottom cut dimension for each cable infill adapter. Do not assume measurements will be the same at all post locations.
2. Tape string line to top and bottom X-Series Anchor Posts. Ensure that string line is taut and straight.
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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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